Komatsu PC220LC-12, PC220LCi-12 800001 & Up, 900001& Up SEN07005-00 (Preview)
00 Index and Foreword
Index
Abbreviation List
Foreword, Safety, Basic Information
How to Read the Shop Manual
Safety Notice for Operation
Precautions to Prevent Fire
Procedures If Fire Occurs
Precautions for Disposing of Waste Materials
Engine Technology to Conform Exhaust Gas Emission
Precautions for DEF
General Character and Precautions for Handling
Precautions for Adding
Precautions for Storage
Precautions for Fire Hazard and Leakage
Other Precautions
Store DEF
Precautions When You Handle Hydraulic Equipment
Precautions When You Disconnect and Connect Pipings
Precautions When You Handle Electrical Equipment
Precautions When You Handle Fuel System Equipment
Precautions When You Handle Intake System Equipment
Practical Use of KOMTRAX
Disconnect and Connect Push-Pull Type Coupler
How to Disconnect and Connect Type 1 Push-Pull Type Coupler
How to Disconnect and Connect Type 2 Push-Pull Type Coupler
How to Disconnect and Connect Type 3 Push-Pull Type Coupler
Precautions for Disconnection and Connection of Connectors
How to Disconnect and Connect Deutsch Connector
How to Disconnect and Connect Slide Lock Type Connector
How to Disconnect and Connect Connector with Lock to Pull
How to Disconnect and Connect Connector with Lock to Push
How to Disconnect and Connect Connector with Housing to Rotate
Standard Tightening Torque Table
Conversion Table
01 Specifications
Table of Contents
Specifications
Specification Drawing
Specification Drawing: PC220LC-12, PC220LCI-12
Working Range Drawings
Working Range Drawings: PC220LC-12, PC220LCI-12
Specifications
Specifications: PC220LC-12, PC220LCI-12
Weight Table
Weight Table: PC220LC-12, PC220LCI-12
Fuel, Coolant, Lubricant
How to Use Fuel, Coolant and Lubricants by Ambient Temperature
10 Structure and Function
Table of Contents
Urea SCR System
Layout Drawing of Urea SCR System
Urea SCR System Diagram
Function of Urea SCR System
Function of DEF System
Inducement Strategy
Component Parts of Urea SCR System
SCR
DEF Tank
DEF Pump
DEF Injector
DEF Hose
DEF Tank Heating Valve
Boot-up System
Layout Drawing of Boot-up System
System Operating Lamp System
System Diagram of System Operating Lamp System
Function of Operation Lamp System
Operation of System Operating Lamp System
Battery Disconnect Switch
Function of Battery Disconnect Switch
Operation of Battery Disconnect Switch
Starter Signal Unit System
Starter Signal Unit System Diagram
Function of Starter Signal Unit System
Component Parts of Boot-Up System
Starter Signal Unit
Engine System
Layout Drawing of Engine System
Specifications of Engine System
Function of Engine System
Engine Control System
System Diagram of Engine Control
Operation of Engine Control System
Auto-Deceleration System
System Diagram of Auto-Deceleration System
Function of Auto-Deceleration System
Operation of Auto-Deceleration System
Engine Automatic Warm-up System
System Diagram of Engine Automatic Warm-up System
Function of Engine Automatic Warm-up System
Overheat Prevention System
Overheat Prevention System Diagram
Function of Overheat Prevention System
Turbocharger Protection System
System Diagram of Turbocharger Protection System
Function of Turbocharger Protection System
Automatic Idle Stop System
System Diagram of Automatic Idle Stop System
Function of Automatic Idle Stop System
Operation of Automatic Idle Stop System
Delayed Engine Shutdown
System Diagram of Delayed Engine Shutdown
Function of Delayed Engine Shutdown
Auto Power Off
System Diagram of Auto Power Off
Function of Auto Power Off
Component Parts of Engine System
Damper
Turbocharger
Crankcase Ventilation System
Impactor (Filterless)
Exhaust Throttle Valve
KDPF
Cooling System
Layout Drawing of Cooling System
Specifications of Cooling System
Fan Speed Control System of Fan Clutch
Fan Speed Control System Diagram of Fan Clutch
Function of Fan Speed Control System of Fan Clutch
Engine Output Control System of Fan Clutch
Engine Output Control System Diagram of Fan Clutch
Function of Engine Output Control System of Fan Clutch
Component Parts of Cooling System
Fan Clutch
Control System
Layout Drawing of Control System
Machine Monitor System
System Diagram of Machine Monitor System
Function of Machine Monitor System
KomVision System
System Diagram of KomVision System
Function of KomVision System
KOMTRAX System
System Diagram of KOMTRAX System
Function of KOMTRAX System
Seat Belt Reminder System
System Diagram of Seat Belt Reminder System
Operation of Seat Belt Reminder System
Radio Sound System
System Diagram of Radio Sound System
Function of Radio Sound System
Remote Courtesy Lights System
Remote Courtesy Lights System Diagram
Operation of Remote Courtesy Lights System
Switch of Work Equipment Control Lever
System Diagram of Switch of Work Equipment Control Lever
Function of Switch of Work Equipment Control Lever
Travel Heading Indicator
System Diagram of Travel Heading Indicator
Function of Travel Heading Indicator
Rollover Warning System
System Diagram of Rollover Warning System
Function of Rollover Warning System
Component Parts of Control System
Machine Monitor
Monitor Controller
KomVision Controller
KomVision Camera
KomVision Radar
Gateway Function Controller
Communication Terminal
Valve Controller 1
Valve Controller 2
CAN Terminating Resistor
Engine Controller
Keypad
Hydraulic System
Layout Drawing of Hydraulic System
Electric and Hydraulic System (EHS)
Structure of Electric and Hydraulic System (EHS)
Operation of Bleed Valve and Unload Valve
Pump Swash Plate Angle (Oil Flow) Control
Engine and Pump Combined Control System
Engine and Pump Combined Control System Diagram
Function of Engine and Pump Combined Control System
Pump and Valve Control System
Pump and Valve Control System Diagram
Function of Pump and Valve Control System
Component Parts of Hydraulic System
Hydraulic Tank
Main Pump
Control Valve
Work Equipment System
Layout Drawing of Work Equipment System
Structure of Valve Control
One-Touch Power Maximizing System
System Diagram of One-Touch Power Maximizing System
Function of One-Touch Power Maximizing System
PPC Lock System
System Diagram of PPC Lock
Function of PPC Lock System
Work Equipment and Travel Automatic Lock System
System Diagram of Lock Lever Automatic Lock System
Function of Work Equipment and Travel Automatic Lock System
Operation of Lock Lever Automatic Lock System
Cushion System for Boom Raise End
System Diagram of Cushion System for Boom Raise End
Function of Cushion System for Boom Raise End
Operation of Cushion System for Boom Raise End
Cushion System for Arm IN End
Cushion System for Arm IN End Diagram
Function of Cushion System for Arm IN End
Operation of Cushion System for Arm IN End
Attachment Oil Flow Adjuster System
Attachment Oil Flow Adjuster System Diagram
Function of Attachment Oil Flow Adjuster System
Tool Control System
Tool Control System Diagram
Component Parts of Work Equipment System
Work Equipment and Swing Electric Lever
1st-Line and 2nd-Line Attachment Electric Pedal
Solenoid Valve
Attachment Circuit Selector Valve (For High Pressure)
Attachment Circuit Selector Valve (For Low Pressure)
Attachment Variable Relief Valve
Pilot Circuit Accumulator
Attachment Circuit Accumulator
ICT System (3D Machine Control)
Layout Drawing of ICT System (3D Machine Control)
System Diagram of Bucket Edge Position Detection System (3D Machine Control)
Bucket Edge Position Detection System (3D Machine Control)
System Diagram of Bucket Edge Position Detection System (3D Machine Control)
Function of Bucket Edge Position Detection System (3DMC)
Operation of Bucket Edge Position Detection System (3DMC)
The Intelligent Machine Control System
Function of Intelligent Machine Control System
Auto Grade Assist Control
Bucket Angle Hold Control
Auto Stop Control
Tilt Automatic Control (Machines with Auto Tilt Bucket)
Auto Swing Control
3D Boundary Control
Component Parts of ICT System
Navigation Controller
Work Equipment Controller
ICT Monitor
GNSS External Radio Device
GNSS Receiver
GNSS Antenna
IMU Sensor
Stroke and Reset Sensor for Bucket Cylinder
Swing System
Layout Drawing of Swing System
Swing Control System Diagram
Function of Swing Control System
Component Parts of Swing System
Swing Motor
Swing Machinery
Swing Circle
Travel System
Layout Drawing of Travel System
System Diagram of Travel Control System
Function of Travel Control System
Component Parts of Travel System
Travel Motor
Final Drive
Travel Electric Pedal
Center Swivel Joint
Undercarriage and Frame
Layout Drawing of Undercarriage
Specifications of Undercarriage
Work Equipment
Structure of Work Equipment
Function of Work Equipment
Work Equipment Clearance Adjustment Shim
Function of Work Equipment Clearance Adjustment Shim
Bucket Clearance Adjustment Shim
Function of Bucket Clearance Adjustment Shim
CAB Related Parts
ROPS CAB
Structure of ROPS CAB
Function of ROPS CAB
CAB Mount
Structure of CAB Mount
Function of CAB Mount
CAB Tipping Stopper
Structure of CAB Tipping Stopper
Function of CAB Tipping Stopper
20 Standard Value Table
Table of Contents
Standard Value Table for Engine
Standard Value Table for Engine: PC220LC-12
Standard Value Table for Engine: PC220LCI-12
Standard Value Table for Machine
Standard Value Table for Machine: PC220LC-12
Standard Value Table for Machine: PC220LCI-12
Machine Posture and Procedures to Measure Performance
30 Testing and Adjusting
Table of Contents
Precautions Before Work
Related Information on Testing and Adjusting
Tools for Testing and Adjusting
Engine and Cooling System
Examine Engine Speed
How to Examine Engine Speed
Examine Boost Pressure
How to Examine Boost Pressure on Machine Monitor
How to Examine Boost Pressure by Testing Tool
Examine Exhaust Gas Color
How to Examine Exhaust Gas Color with Handy Smoke Checker
How to Examine Exhaust Gas Color with Smoke Meter
Examine and Adjust Valve Clearance
How to Examine Valve Clearance
How to Adjust Valve Clearance
Examine Compression Pressure
How to Examine Compression Pressure
Examine Blowby Pressure
How to Examine Blowby Pressure
Examine Engine Oil Pressure
How to Examine Engine Oil Pressure
Examine Starting Motor
How to Examine Starting Motor
Examine Fuel Pressure
How to Examine Fuel Pressure
Examine Fuel Discharge, Return and Leakage
How to Examine Fuel Discharge, Return, and Leakage
Bleed Air from Fuel System
How to Bleed Air from Fuel System
Examine Fuel Circuit for Leakage
How to Examine Fuel System for Leakage
Handle Cylinder Cut-out Mode Operation
Handle No-Injection Cranking Operation
Examine KDPF and SCR for Looseness and Damage
How to Examine KDPF and SCR for Looseness and Damage
Examine and Adjust Air Conditioner Compressor Belt Tension
How to Examine Air Conditioner Compressor Belt
How to Adjust Air Conditioner Compressor Belt
Examine Fan Belt and Alternator Belt
How to Examine Fan Belt and Alternator Belt
Examine Auto-Tensioner
How to Examine Auto-Tensioner
Examine Cooling Fan Speed
How to Examine Cooling Fan Speed
Examine SCR Related Functions
Examine DEF Pump Raised Pressure
Examine Injection Volume from DEF Injector
Examine DEF Line Heater Relay 1
Examine DEF Line Heater Relay 2
Examine DEF Pump Heater Relay
Examine DEF Tank Heater Valve
Examine SCR Denitration Efficiency
Clean DEF Tank
How to Clean DEF Tank
Clean DEF Pump
How to Clean DEF Pump
Bleed Air from Coolant Circuit of DEF Tank
How to Bleed Air from Coolant Circuit of DEF Tank
Power Train
Examine Swing Circle Bearing Clearance
How to Examine Swing Circle Bearing Clearance
Undercarriage and Frame
Examine and Adjust Track Tension
How to Examine Track Tension
How to Adjust Track Tension
Hydraulic System
Release Remained Pressure in Hydraulic Circuit
How to Release Remained Pressure from Hydraulic Tank
How to Release Remained Pressure in Hydraulic Cylinder Circuit
How to Release Remained Pressure from Swing Motor Circuit
How to Release Remained Pressure from Travel Motor Circuit
How to Release Remained Pressure from Attachment Circuit
Examine and Adjust Oil Pressure in Work Equipment, Swing, and Travel Circuits
How to Examine Oil Pressure in Work Equipment, Swing, and Travel Circuits
How to Adjust Oil Pressure in Work Equipment, Swing, and Travel Circuits
Examine Control Circuit Oil Pressure
How to Examine Control Circuit Oil Pressure
Examine and Adjust Pump LS Control Circuit Oil Pressure
How to Examine Pump Electronic Control Valve Outlet Pressure (Servo Piston Inlet Pressure)
Examine Solenoid Valve Outlet Pressure
How to Examine Solenoid Valve Outlet Pressure
Operating Condition of Solenoid Valve
Examine EPC Valve Outlet Pressure
How to Examine EPC Valve Outlet Pressure
Examine Attachment Circuit Oil Pressure
How to Examine Attachment Circuit Oil Pressure
Examine Pump Swash Plate Sensor
How to Examine Pump Swash Plate Sensor
Examine Parts Which Cause Hydraulic Drift of Work Equipment
How to Examine Parts Which Cause Hydraulic Drift of Boom Cylinder and Bucket Cylinder
How to Examine Parts Which Cause Hydraulic Drift of Arm Cylinder
Examine Oil Leakage
How to Examine Oil Leakage from Boom Cylinder
How to Examine Oil Leakage from Arm Cylinder
How to Examine Oil Leakage from Bucket Cylinder
How to Examine Oil Leakage from Swing Motor
How to Examine Oil Leakage from Travel Motor
Bleed Air from Hydraulic System
How to Bleed Air from Hydraulic System
Examine and Charge Accumulator (Made by HYDAC) Nitrogen Gas Pressure for Attachment (Low Pressure Side)
How to Examine Accumulator (Made by HYDAC) Nitrogen Gas Pressure for Attachment (Low Pressure Side)
Examine and Charge Accumulator Nitrogen Gas Pressure for Attachment (High Pressure Side)
How to Examine Accumulator Nitrogen Gas Pressure for Attachment (High Pressure Side)
Replace Accumulator Bladder on High Pressure Side for Attachment Piping
How to Replace Accumulator Bladder on High Pressure Side for Attachment Piping
CAB Related Parts
Examine CAB Tipping Stopper
How to Examine Cab Tipping Stopper
How to Adjust Mirrors
Procedure to Adjust Left Front Mirror (A)
Procedure to Adjust Regular Position of Machine Left Front Mirror (A)
Procedure to Adjust Right Front Mirror (B)
Procedure to Adjust Regular Position of Machine Right Front Mirror (B)
Procedure to Adjust Machine Right Side Mirror (C)
Procedure to Adjust Regular Position of Machine Right Front Mirror (C)
Electrical System
Set and Adjust Each Equipment
How to Adjust by S-PRIT
Adjustment Method by S-PRIT
Set and Operate Machine Monitor
Examine Function by LCD (Liquid Crystal Display)
Examine Function of Service Meter
Usage Limitation and Maintenance Password Change Function
Set and Operate by SDT
Monitoring
Abnormality Record
Maintenance
Default Setting
Adjustment
Diagnostic tests
Others
Engine Menu
How to Start Up KOMTRAX System
How to Stop Use of KOMTRAX System
Adjust KomVision Related Function
Adjust Angle and Protrusion Dimension of KomVision Camera
KomVision Screen – 12m Visibility Check
Handle Voltage Circuit of Engine Controller
Handle Battery Disconnect Switch
Examine Diodes
How to Examine Diodes by Digital Tester
How to Examine Diodes by Analog Tester
Pm Clinic
Pm Clinic Service
Pm Clinic Check Sheet: PC220LC-12
Pm Clinic Check Sheet: PC220LCI-12
40 Troubleshooting
Table of Contents
Precautions Before Work
Related Information to Troubleshooting
General Troubleshooting Points
Troubleshooting Points for Urea SCR System
Sequence of Events in Troubleshooting
Inspection Before Troubleshooting
Inspection Procedure Before Troubleshooting
Walk-Around Check
Test in Accordance with Testing Procedure
Examine Fuel Level and Type
Examine for Impure Ingredient in Fuel
Examine Fuel Prefilter
Examine Water Separator, Drain Water and Sediment
How to Replace Fuel Prefilter Cartridge
Examine Fuel Main Filter
Examine Engine Oil Level (Oil Quantity in Oil Pan)
Examine Coolant Level (Expansion Tank)
Examine Air Cleaner Clogging
Clean Outer Element
Replace Element
Examine Hydraulic Oil Level
Examine Hydraulic Oil Strainer
Examine Hydraulic Oil Filter
Examine Oil Level in Swing Machinery Case
Examine Oil Level in Final Drive Case
Bleed Air from Fuel System
Bleed Air from Hydraulic System
How to Examine Electrical Components
Preparation for Troubleshooting of Electrical System
Inspection Procedure of Electrical System
How to Examine Fuse
How to Examine Fusible Link
How to Examine Diodes
How to Examine Relay
How to Examine Switch
How to Examine Sensor
How to Examine When Sensor Power Supply is Defective
How to Examine Solenoid and Actuation Device
How to Examine Actuator
Examine Wiring Harness
How to Examine CAN Communication
How to Examine Resistance
How to Examine Power Supply to Controller
Procedure for Troubleshooting
Symptom and Troubleshooting Numbers
Information Shown in Troubleshooting Table
How to Diagnose Open Circuit of Hydraulic Pressure Sensor System Wiring Harness
Connector List (PC220LC-12)
Connector Layout (PC220LC-12) (1)
Connector Layout (PC220LC-12) (2)
Connector Layout (PC220LC-12) (3)
Connector Layout (PC220LC-12) (4)
Connector Layout (PC220LC-12) (5)
Connector Layout (PC220LC-12) (6)
Connector Layout (PC220LC-12) (7)
Connector Layout (PC220LC-12) (8)
Connectors List (PC220LCI-12)
Connector Layout (PC220LCI-12) (1)
Connector Layout (PC220LCI-12) (2)
Connector Layout (PC220LCI-12) (3)
Connector Layout (PC220LCI-12) (4)
Connector Layout (PC220LCI-12) (5)
Connector Layout (PC220LCI-12) (6)
Connector Layout (PC220LCI-12) (7)
Connector Layout (PC220LCI-12) (8)
Connector Contact Connection Table
T-Branch Box and T-Branch Adapter Table
Fuse Location Table
Precautions When You Clean and Replace KDPF (KCSF and KDOC)
Prepare Short Circuit Electrical Connector (For Failure Codes [CA1883] and [CA3135])
Failure Code Table
Troubleshooting by Failure Code (Display of Code)
Failure Code [6AZ0ZG]
Failure Code [8761KX]
Failure Code [879AKA]
Failure Code [879AKB]
Failure Code [879BKA]
Failure Code [879BKB]
Failure Code [879CKA]
Failure Code [879CKB]
Failure Code [879DKZ]
Failure Code [879EMC]
Failure Code [879FMC]
Failure Code [879GKX]
Failure Code [989800]
Failure Code [989EKX]
Failure Code [989L00]
Failure Code [989M00]
Failure Code [A1U0N3]
Failure Code [A1U0N4]
Failure Code [AA10NX]
Failure Code [AB00KE]
Failure Code [AQ10MB]
Failure Code [AS00R2]
Failure Code [AS00R3]
Failure Code [AS00R4]
Failure Code [AS00R5]
Failure Code [AS00R6]
Failure Code [AS00ZK]
Failure Code [AS10KM]
Failure Code [AS10NR]
Failure Code [AS10NT]
Failure Code [B@BAZG]
Failure Code [B@BAZK]
Failure Code [B@BCNS]
Failure Code [B@BCQA]
Failure Code [B@BCZK]
Failure Code [B@HANS]
Failure Code [CA115]
Failure Code [CA122]
Failure Code [CA123]
Failure Code [CA131]
Failure Code [CA132]
Failure Code [CA144]
Failure Code [CA145]
Failure Code [CA153]
Failure Code [CA154]
Failure Code [CA187]
Failure Code [CA227]
Failure Code [CA234]
Failure Code [CA238]
Failure Code [CA239]
Failure Code [CA249]
Failure Code [CA256]
Failure Code [CA271]
Failure Code [CA272]
Failure Code [CA322]
Failure Code [CA324]
Failure Code [CA331]
Failure Code [CA332]
Failure Code [CA343]
Failure Code [CA351]
Failure Code [CA352]
Failure Code [CA386]
Failure Code [CA428]
Failure Code [CA429]
Failure Code [CA435]
Failure Code [CA441]
Failure Code [CA442]
Failure Code [CA451]
Failure Code [CA452]
Failure Code [CA488]
Failure Code [CA515]
Failure Code [CA516]
Failure Code [CA553]
Failure Code [CA555]
Failure Code [CA556]
Failure Code [CA559]
Failure Code [CA689]
Failure Code [CA691]
Failure Code [CA692]
Failure Code [CA697]
Failure Code [CA698]
Failure Code [CA731]
Failure Code [CA741]
Failure Code [CA742]
Failure Code [CA743]
Failure Code [CA778]
Failure Code [CA1117]
Failure Code [CA1664]
Failure Code [CA1669]
Failure Code [CA1673]
Failure Code [CA1677]
Failure Code [CA1678]
Failure Code [CA1682]
Failure Code [CA1683]
Failure Code [CA1684]
Failure Code [CA1686]
Failure Code [CA1695]
Failure Code [CA1696]
Failure Code [CA1712]
Failure Code [CA1713]
Failure Code [CA1714]
Failure Code [CA1715]
Failure Code [CA1776]
Failure Code [CA1777]
Failure Code [CA1843]
Failure Code [CA1844]
Failure Code [CA1879]
Failure Code [CA1881]
Failure Code [CA1883]
Failure Code [CA1885]
Failure Code [CA1887]
Failure Code [CA1921]
Failure Code [CA1922]
Failure Code [CA1942]
Failure Code [CA1993]
Failure Code [CA2185]
Failure Code [CA2186]
Failure Code [CA2288]
Failure Code [CA2311]
Failure Code [CA2373]
Failure Code [CA2374]
Failure Code [CA2554]
Failure Code [CA2555]
Failure Code [CA2556]
Failure Code [CA2639]
Failure Code [CA2771]
Failure Code [CA2973]
Failure Code [CA2976]
Failure Code [CA3133]
Failure Code [CA3134]
Failure Code [CA3135]
Failure Code [CA3144]
Failure Code [CA3146]
Failure Code [CA3147]
Failure Code [CA3148]
Failure Code [CA3151]
Failure Code [CA3165]
Failure Code [CA3229]
Failure Code [CA3231]
Failure Code [CA3232]
Failure Code [CA3235]
Failure Code [CA3239]
Failure Code [CA3241]
Failure Code [CA3242]
Failure Code [CA3251]
Failure Code [CA3253]
Failure Code [CA3254]
Failure Code [CA3255]
Failure Code [CA3256]
Failure Code [CA3311]
Failure Code [CA3312]
Failure Code [CA3313]
Failure Code [CA3314]
Failure Code [CA3315]
Failure Code [CA3316]
Failure Code [CA3317]
Failure Code [CA3318]
Failure Code [CA3319]
Failure Code [CA3321]
Failure Code [CA3322]
Failure Code [CA3497]
Failure Code [CA3498]
Failure Code [CA3545]
Failure Code [CA3547]
Failure Code [CA3558]
Failure Code [CA3559]
Failure Code [CA3562]
Failure Code [CA3563]
Failure Code [CA3567]
Failure Code [CA3568]
Failure Code [CA3571]
Failure Code [CA3572]
Failure Code [CA3574]
Failure Code [CA3575]
Failure Code [CA3577]
Failure Code [CA3578]
Failure Code [CA3583]
Failure Code [CA3596]
Failure Code [CA3649]
Failure Code [CA3681]
Failure Code [CA3682]
Failure Code [CA3713]
Failure Code [CA3725]
Failure Code [CA3741]
Failure Code [CA3748]
Failure Code [CA3755]
Failure Code [CA3866]
Failure Code [CA3868]
Failure Code [CA4151]
Failure Code [CA4155]
Failure Code [CA4156]
Failure Code [CA4157]
Failure Code [CA4158]
Failure Code [CA4161]
Failure Code [CA4162]
Failure Code [CA4163]
Failure Code [CA4168]
Failure Code [CA4169]
Failure Code [CA4171]
Failure Code [CA4249]
Failure Code [CA4251]
Failure Code [CA4259]
Failure Code [CA4277]
Failure Code [CA4459]
Failure Code [CA4461]
Failure Code [CA4731]
Failure Code [CA4732]
Failure Code [CA4739]
Failure Code [CA4768]
Failure Code [CA4769]
Failure Code [CA4842]
Failure Code [CA4952]
Failure Code [CA5115]
Failure Code [CA5179]
Failure Code [CA5181]
Failure Code [CA5271]
Failure Code [CA5272]
Failure Code [CA5273]
Failure Code [CA5274]
Failure Code [CA5275]
Failure Code [CA5276]
Failure Code [CA5383]
Failure Code [CA5632]
Failure Code [CA5655]
Failure Code [CA5689]
Failure Code [CA5715]
Failure Code [CA5716]
Failure Code [CA5838]
Failure Code [CA5864]
Failure Code [CA5865]
Failure Code [CA5938]
Failure Code [CA6771]
Failure Code [D014KA]
Failure Code [D01QKR]
Failure Code [D106KA]
Failure Code [D106KY]
Failure Code [D107KA]
Failure Code [D107KY]
Failure Code [D10AKB]
Failure Code [D10BKB]
Failure Code [D10CKB]
Failure Code [D162KA]
Failure Code [D162KB]
Failure Code [D183KA]
Failure Code [D183KB]
Failure Code [D183KY]
Failure Code [D197KA]
Failure Code [D197KY]
Failure Code [D19JKA]
Failure Code [D19JKB]
Failure Code [D1M4KA]
Failure Code [D1M4KY]
Failure Code [D524KL]
Failure Code [D524KU]
Failure Code [D525KL]
Failure Code [D525KN]
Failure Code [D526KN]
Failure Code [D527KN]
Failure Code [D528KN]
Failure Code [D528KP]
Failure Code [D529KX]
Failure Code [D52DKN]
Failure Code [D52DKP]
Failure Code [D52EKN]
Failure Code [D52FKN]
Failure Code [D52HKN]
Failure Code [D52GKN]
Failure Code [D52JKN]
Failure Code [D52KKN]
Failure Code [D52MKX]
Failure Code [D52NKX]
Failure Code [D52PKX]
Failure Code [D52QKR]
Failure Code [D52TKX]
Failure Code [D52UKX]
Failure Code [D52VKN]
Failure Code [D52WKN]
Failure Code [D52XKB]
Failure Code [D52YKB]
Failure Code [D52ZKR]
Failure Code [D52ZKT]
Failure Code [D52ZLA]
Failure Code [D571KA]
Failure Code [D571KB]
Failure Code [D811MC]
Failure Code [D862KA]
Failure Code [D8ALKA]
Failure Code [D8ALKB]
Failure Code [D8G1KT]
Failure Code [D8G1XZ]
Failure Code [D8G6KT]
Failure Code [D8GCKR]
Failure Code [D8GDKA]
Failure Code [D8GDKB]
Failure Code [D8GEKB]
Failure Code [D8GEKY]
Failure Code [D8GPKR]
Failure Code [D8N1MA]
Failure Code [D8N2MA]
Failure Code [DAF0MB]
Failure Code [DAF0MC]
Failure Code [DAF3KK]
Failure Code [DAF9KQ]
Failure Code [DAFEKB]
Failure Code [DAFEKY]
Failure Code [DAFGMC]
Failure Code [DAFLKA]
Failure Code [DAFLKB]
Failure Code [DAFMKR]
Failure Code [DAFPKR]
Failure Code [DAFUKA]
Failure Code [DAFUKB]
Failure Code [DAFUKY]
Failure Code [DASRKR]
Failure Code [DAZ9KQ]
Failure Code [DAZQKR]
Failure Code [DB2QKR]
Failure Code [DB2RKR]
Failure Code [DB90KK]
Failure Code [DB90KM]
Failure Code [DB90MC]
Failure Code [DB92KK]
Failure Code [DB99KQ]
Failure Code [DB9LKA]
Failure Code [DB9LKY]
Failure Code [DB9MKR]
Failure Code [DB9PKR]
Failure Code [DB9SKR]
Failure Code [DBJ0KK]
Failure Code [DBJ0KM]
Failure Code [DBJ0KT]
Failure Code [DBJ0MC]
Failure Code [DBJ2KK]
Failure Code [DBJ5KP]
Failure Code [DBJ5KY]
Failure Code [DBJ6KP]
Failure Code [DBJ6KY]
Failure Code [DBJ7KP]
Failure Code [DBJ7KY]
Failure Code [DBJ9KQ]
Failure Code [DBJAKT]
Failure Code [DBJBKP]
Failure Code [DBJCKA]
Failure Code [DBJCKY]
Failure Code [DBJEKR]
Failure Code [DBJEMA]
Failure Code [DBJJKT]
Failure Code [DBJJKY]
Failure Code [DBJKKT]
Failure Code [DBJKKY]
Failure Code [DBJLKT]
Failure Code [DBJLKY]
Failure Code [DBJMKT]
Failure Code [DBJMKY]
Failure Code [DBJNKT]
Failure Code [DBJNKY]
Failure Code [DBJPKR]
Failure Code [DBJSKR]
Failure Code [DBJTKT]
Failure Code [DBJTKY]
Failure Code [DBJUKT]
Failure Code [DBJUKY]
Failure Code [DBK0KK]
Failure Code [DBK0KM]
Failure Code [DBK0KT]
Failure Code [DBK0MC]
Failure Code [DBK2KK]
Failure Code [DBK5KP]
Failure Code [DBK5KY]
Failure Code [DBK6KP]
Failure Code [DBK6KY]
Failure Code [DBK7KP]
Failure Code [DBK7KY]
Failure Code [DBK8KB]
Failure Code [DBK8KY]
Failure Code [DBK9KQ]
Failure Code [DBKAKT]
Failure Code [DBKBKP]
Failure Code [DBKCKA]
Failure Code [DBKCKY]
Failure Code [DBKEKR]
Failure Code [DBKJKT]
Failure Code [DBKJKY]
Failure Code [DBKKKT]
Failure Code [DBKKKY]
Failure Code [DBKLKT]
Failure Code [DBKLKY]
Failure Code [DBKMKT]
Failure Code [DBKMKY]
Failure Code [DBKPKR]
Failure Code [DBKSKR]
Failure Code [DBKTKT]
Failure Code [DBKTKY]
Failure Code [DBP0KM]
Failure Code [DBP0KT]
Failure Code [DBPQKR]
Failure Code [DBPWKR]
Failure Code [DBPYKY]
Failure Code [DBTLKB]
Failure Code [DBTMKB]
Failure Code [DBU0KA]
Failure Code [DBU0KB]
Failure Code [DBU0KK]
Failure Code [DBU0KR]
Failure Code [DBU0KT]
Failure Code [DBULKA]
Failure Code [DBULKB]
Failure Code [DBUSKA]
Failure Code [DBUSKR]
Failure Code [DBUTKA]
Failure Code [DBUTKN]
Failure Code [DBUUKA]
Failure Code [DBUUKN]
Failure Code [DDJ1KA]
Failure Code [DDJ2KA]
Failure Code [DDNRKA]
Failure Code [DDNRKB]
Failure Code [DDNS00]
Failure Code [DDUAKR]
Failure Code [DDX2KR]
Failure Code [DDX2MC]
Failure Code [DDXEKR]
Failure Code [DDXEMC]
Failure Code [DDXPKA]
Failure Code [DDXPKB]
Failure Code [DDXRKA]
Failure Code [DDXRKB]
Failure Code [DE6SKR]
Failure Code [DF0AKX]
Failure Code [DF0BKX]
Failure Code [DF0CKX]
Failure Code [DF0DKX]
Failure Code [DFG1KX]
Failure Code [DFG1L8]
Failure Code [DFG2KX]
Failure Code [DFG2L8]
Failure Code [DFG3KX]
Failure Code [DFG3L8]
Failure Code [DFG4KX]
Failure Code [DFG4L8]
Failure Code [DGH2KA]
Failure Code [DGH2KB]
Failure Code [DHA4KA]
Failure Code [DHAAMA]
Failure Code [DHACMA]
Failure Code [DHF1KA]
Failure Code [DHF1KB]
Failure Code [DHF2KA]
Failure Code [DHF2KB]
Failure Code [DHF3KA]
Failure Code [DHF3KB]
Failure Code [DHF5KA]
Failure Code [DHF5KB]
Failure Code [DHM1KA]
Failure Code [DHM1KB]
Failure Code [DHM2KA]
Failure Code [DHM2KB]
Failure Code [DHM3KA]
Failure Code [DHM3KB]
Failure Code [DHPAKA]
Failure Code [DHPAKB]
Failure Code [DHPBKA]
Failure Code [DHPBKB]
Failure Code [DHPCKA]
Failure Code [DHPCKB]
Failure Code [DJF1KA]
Failure Code [DJR1KA]
Failure Code [DJR1KB]
Failure Code [DK80KK]
Failure Code [DK80KR]
Failure Code [DK80KT]
Failure Code [DK80MB]
Failure Code [DK83KK]
Failure Code [DK83KR]
Failure Code [DK83KT]
Failure Code [DK83MB]
Failure Code [DK86KK]
Failure Code [DK86KR]
Failure Code [DK86KT]
Failure Code [DK86MB]
Failure Code [DK8CKR]
Failure Code [DK8CKT]
Failure Code [DK8CMB]
Failure Code [DKD0KX]
Failure Code [DKG1L8]
Failure Code [DKR0KA]
Failure Code [DKR0KB]
Failure Code [DKR1KA]
Failure Code [DKR1KB]
Failure Code [DKR2KA]
Failure Code [DKR2KB]
Failure Code [DKR2NX]
Failure Code [DKSTKA]
Failure Code [DKSTKB]
Failure Code [DKT8KA]
Failure Code [DKT8KB]
Failure Code [DKT9KA]
Failure Code [DKT9KB]
Failure Code [DKTAKA]
Failure Code [DKTAKB]
Failure Code [DKTLKA]
Failure Code [DKTLKB]
Failure Code [DKTMKA]
Failure Code [DKTMKB]
Failure Code [DKTNKA]
Failure Code [DKTNKB]
Failure Code [DKTPKA]
Failure Code [DKTPKB]
Failure Code [DKTQKA]
Failure Code [DKTQKB]
Failure Code [DKUJKA]
Failure Code [DKUJKB]
Failure Code [DKUJKY]
Failure Code [DKUKKA]
Failure Code [DKUKKB]
Failure Code [DKUKKY]
Failure Code [DKV0KA]
Failure Code [DKV0KB]
Failure Code [DKV1KA]
Failure Code [DKV1KB]
Failure Code [DKY4KA]
Failure Code [DKY4KB]
Failure Code [DKY5KA]
Failure Code [DKY5KB]
Failure Code [DKYAKA]
Failure Code [DKYAKB]
Failure Code [DKYCKA]
Failure Code [DKYCKB]
Failure Code [DKYEKA]
Failure Code [DKYEKB]
Failure Code [DKYFKA]
Failure Code [DKYFKB]
Failure Code [DKYKKA]
Failure Code [DKYKKB]
Failure Code [DLM5KA]
Failure Code [DLM5MB]
Failure Code [DQA1KB]
Failure Code [DQA1KM]
Failure Code [DQA1KR]
Failure Code [DQA1KT]
Failure Code [DQA1KY]
Failure Code [DQA2KM]
Failure Code [DQA2KR]
Failure Code [DQA2KT]
Failure Code [DQA3KB]
Failure Code [DQA3KM]
Failure Code [DQA3KR]
Failure Code [DQA3KT]
Failure Code [DQA3KY]
Failure Code [DQA4KM]
Failure Code [DQA4KR]
Failure Code [DQA4KT]
Failure Code [DR12KA]
Failure Code [DR12KB]
Failure Code [DR12KK]
Failure Code [DR12KR]
Failure Code [DR12KY]
Failure Code [DR20KR]
Failure Code [DR30KA]
Failure Code [DR30KB]
Failure Code [DR30KK]
Failure Code [DR30KR]
Failure Code [DR30KY]
Failure Code [DR40KR]
Failure Code [DU50KB]
Failure Code [DUMBKA]
Failure Code [DUMBKB]
Failure Code [DV20KA]
Failure Code [DV20KB]
Failure Code [DV20KY]
Failure Code [DW43KA]
Failure Code [DW43KB]
Failure Code [DW43KY]
Failure Code [DW45KA]
Failure Code [DW45KB]
Failure Code [DW45KY]
Failure Code [DW4NKB]
Failure Code [DW4NKY]
Failure Code [DW91KA]
Failure Code [DW91KB]
Failure Code [DW91KY]
Failure Code [DWA2KA]
Failure Code [DWA2KB]
Failure Code [DWA2KY]
Failure Code [DWK0KA]
Failure Code [DWK0KB]
Failure Code [DWK0KY]
Failure Code [DWK2KA]
Failure Code [DWK2KB]
Failure Code [DWK2KY]
Failure Code [DWK8KA]
Failure Code [DWK8KB]
Failure Code [DWK8KY]
Failure Code [DWM1KA]
Failure Code [DWM1KB]
Failure Code [DWM1KY]
Failure Code [DWN5KA]
Failure Code [DWN5KB]
Failure Code [DWN5KY]
Failure Code [DXAAKA]
Failure Code [DXAAKB]
Failure Code [DXAAKY]
Failure Code [DXABKA]
Failure Code [DXABKB]
Failure Code [DXABKY]
Failure Code [DXE5KA]
Failure Code [DXE5KB]
Failure Code [DXE5KY]
Failure Code [DXE6KA]
Failure Code [DXE6KB]
Failure Code [DXE6KY]
Failure Code [DXE7KA]
Failure Code [DXE7KB]
Failure Code [DXE7KY]
Failure Code [DXE8KA]
Failure Code [DXE8KB]
Failure Code [DXE8KY]
Failure Code [DXE9KA]
Failure Code [DXE9KB]
Failure Code [DXE9KY]
Failure Code [DXEAKA]
Failure Code [DXEAKB]
Failure Code [DXEAKY]
Failure Code [DXEKKA]
Failure Code [DXEKKB]
Failure Code [DXEKKY]
Failure Code [DXELKA]
Failure Code [DXELKB]
Failure Code [DXELKY]
Failure Code [DXR0KA]
Failure Code [DXR0KB]
Failure Code [DXR0KY]
Failure Code [DXR1KA]
Failure Code [DXR1KB]
Failure Code [DXR1KY]
Failure Code [DXT1KA]
Failure Code [DXT1KB]
Failure Code [DXT1KY]
Failure Code [DXT2KA]
Failure Code [DXT2KB]
Failure Code [DXT2KY]
Failure Code [DXT3KA]
Failure Code [DXT3KB]
Failure Code [DXT3KY]
Failure Code [DXT4KA]
Failure Code [DXT4KB]
Failure Code [DXT4KY]
Failure Code [DXT5KT]
Failure Code [DXT5KY]
Failure Code [DXTAKA]
Failure Code [DXTAKB]
Failure Code [DXTAKY]
Failure Code [DXTBKA]
Failure Code [DXTBKB]
Failure Code [DXTBKY]
Failure Code [DXTCKA]
Failure Code [DXTCKB]
Failure Code [DXTCKY]
Failure Code [DXTDKA]
Failure Code [DXTDKB]
Failure Code [DXTDKY]
Failure Code [DXTEKA]
Failure Code [DXTEKB]
Failure Code [DXTEKY]
Failure Code [DXTFKA]
Failure Code [DXTFKB]
Failure Code [DXTFKY]
Failure Code [DXTGKA]
Failure Code [DXTGKB]
Failure Code [DXTGKY]
Failure Code [DXTHKA]
Failure Code [DXTHKB]
Failure Code [DXTHKY]
Failure Code [DXTJKA]
Failure Code [DXTJKB]
Failure Code [DXTJKY]
Failure Code [DXTKKA]
Failure Code [DXTKKB]
Failure Code [DXTKKY]
Failure Code [DXTLKA]
Failure Code [DXTLKB]
Failure Code [DXTLKY]
Failure Code [DXTMKA]
Failure Code [DXTMKB]
Failure Code [DXTMKY]
Failure Code [DXTNKA]
Failure Code [DXTNKB]
Failure Code [DXTNKY]
Failure Code [DXTPKA]
Failure Code [DXTPKB]
Failure Code [DXTPKY]
Failure Code [DXTQKA]
Failure Code [DXTQKB]
Failure Code [DXTQKY]
Failure Code [DXTRKA]
Failure Code [DXTRKB]
Failure Code [DXTRKY]
Failure Code [DXTSKA]
Failure Code [DXTSKB]
Failure Code [DXTSKY]
Failure Code [DXTTKA]
Failure Code [DXTTKB]
Failure Code [DXTTKY]
Failure Code [E111KT]
Failure Code [E111MC]
Failure Code [F312KA]
Failure Code [F312KB]
Failure Code [F313KA]
Failure Code [F313KB]
Failure Code [F314KA]
Failure Code [F314KB]
Failure Code [F315KB]
Failure Code [F315KY]
Failure Code [F316KB]
Failure Code [F316KY]
Failure Code [F317KA]
Failure Code [F317KB]
Failure Code [F318KB]
Failure Code [F318KY]
Failure Code [F319KB]
Failure Code [F319KY]
Failure Code [F31AKB]
Failure Code [F31AKY]
Failure Code [F31BKB]
Failure Code [F31BKY]
Failure Code [F31CKB]
Failure Code [F31CKY]
Failure Code [F31DKB]
Failure Code [F31DKY]
Failure Code [F31EKB]
Failure Code [F31EKY]
Failure Code [F7A0KQ]
Failure Code [F7A0KT]
Failure Code [F7A1KK]
Failure Code [F7ALKB]
Failure Code [F7AQKR]
Failure Code [F7ARKR]
Failure Code [F7ASKA]
Failure Code [FE0AKA]
Failure Code [FE0AKB]
Failure Code [FE0AKM]
Failure Code [FL0AKB]
Failure Code [FL0ALD]
Failure Code [FL0BKB]
Failure Code [FL0BLD]
Failure Code [FL0CLD]
Failure Code [FL0DLD]
Failure Code [FL0ELD]
Failure Code [FL0FLD]
Failure Code [FL0GLD]
Failure Code [FL0HLD]
Troubleshooting of Electrical System (E-Mode)
Engine Does Not Start (Engine Does Not Crank)
Manual Preheating System Does Not Operate
Automatic Preheating System Does Not Operate
When Starting Switch is Turned to ON Position, Machine Monitor Shows Nothing
While Starting Switch is Turned to ON Position, Engine Oil Level Caution Lamp Comes on in Yellow
While Starting Switch is Turned to ON Position, Radiator Coolant Level Caution Lamp Comes on in Yellow
While Starting Switch is Turned to ON Position, Engine Coolant Temperature Caution Lamp Comes on in White
Hydraulic Oil Temperature Caution Lamp Comes on in White While Engine is in Operation
Air Cleaner Clogging Caution Lamp Comes on in Yellow While Engine is in Operation
Charge Level Caution Lamp Comes on in Red While Engine is in Operation
Fuel Level Caution Lamp Comes on in Red While Engine is in Operation
Water Separator Caution Lamp Comes on in Red While Engine is in Operation
Engine Coolant Temperature Caution Lamp Comes on in Red While Engine is in Operation
Engine Oil Pressure Caution Lamp Comes on in Red While Engine is in Operation
Hydraulic Oil Temperature Caution Lamp Comes on in Red While Engine is in Operation
Fuel Gauge Does Not Move from Minimum or Maximum
Display of Fuel Gauge is Different from Actual Fuel Level
Engine Coolant Temperature Gauge Display Does Not Move from Minimum or Maximum
Display of Engine Coolant Temperature Gauge is Different from Actual Coolant Temperature
Hydraulic Oil Temperature Gauge Does Not Move from Minimum or Maximum
Display of Hydraulic Oil Temperature Gauge is Different from Actual Oil Temperature
Some Areas of Machine Monitor Screen are Not Shown
Machine Monitor Does Not Respond When You Tap it
Automatic Warm-up System Does Not Operate (in Cold Weather)
Auto-Deceleration Icon Does Not Change When You Tap it
Auto-Decelerator is Not Operated or Canceled with Lever
Working Mode Selector Screen is Not Shown When You Tap Working Mode Icon
When Working Mode is Changed, Setting of Engine and Hydraulic Pump is Not Changed
Travel Speed Icon Display Does Not Change When You Tap it
Travel Speed Does Not Change Even When You Change Travel Speed
Alarm Buzzer Does Not Stop When You Operate Mute Switch
Service Meter is Not Shown While Starting Switch is in OFF Position
SDT Cannot be Connected
All Work Equipment, Swing and Travel Do Not Operate
All Work Equipment, Swing, Travel Cannot be Locked
Machine Does Not Swing While Swing Parking Brake Release Switch is Set to Release Position
While Swing Parking Brake Release Switch is Turned on, Swing Brake is Not Operated
One-Touch Power Maximizing Function Does Not Operate Correctly or Monitor is Not Shown
One-Touch Power Maximizing Function is Not Cancelled
Travel Alarm Does Not Operate During Travel
Travel Alarm Does Not Stop When Machine Stops
Horn Does Not Sound
Horn Does Not Stop
Key Pad LED Does Not Come on or Go off When You Operate it
Windshield Wiper Does Not Operate When Wiper Switch is Operated
When Window Washer Switch is Operated, Window Washer Does Not Operate
Brightness of Machine Monitor or Each Switch Does Not Change When You Operate Monitor Brightness Selector Switch
Room Lamp Does Not Come on or Go off When You Operate Room Lamp Switch
Room Lamp Does Not Come on or Go off When You Operate Room Lamp Remote Switch
Room Lamp Does Not Go off When You Close Cab Door
Room Lamp Does Not Come on When You Open Cab Door
Working Lamp Does Not Come on or Go off
Information Screen is Not Shown When You Operate Information Switch
Attachment Hydraulic Circuit Cannot be Changed
KOMTRAX System Does Not Operate Correctly
Icon Color of Rear Object Detection System with Auto Braker Does Not Change When Detection Target is in Detection Range
Buzzer Does Not Operate When Rear Object Detection System with Auto Brake Senses Detection Target
Machine Stop Control of Rear Object Detection System with Auto Brake Does Not Work
Radio Sound System Sound is Not Heard or Small
Starting Switch LED Does Not Come on
Entry Switch LED Does Not Come on or Stays on
Arm Crane Revolving Lamp Does Not Come on or Stays on
Seat Belt Alarm Revolving Lamp Does Not Come on or Stays on
Rear Object Detection Auto Brake Revolving Lamp Does Not Come on or Stays on
ICT Revolving Lamp Does Not Come on or Stays on
Seat Belt Indicator Does Not Come on or Go off When You Fasten or Unfasten Seat Belt
Engine Shutdown Secondary Switch Operation Screen is Shown on Machine monitor When You Do Not Push Engine Shutdown Secondary Switch
ICT Monitor Can Not be Turned on
ICT Monitor Touch Panel Does Not Respond
ICT Monitor Touch Operation is Inaccurate
Cannot Connect to Remote Support Server
Cannot Connect to Smart Construction Server
When You Examine and Adjust Bucket Edge Position, Value is Different from Actual Machine
“Semi-Auto Mode” is Not Shown When Auto/Manual Switch is Pushed
ICT Monitor Shows “Controller 1: Not Connected”
ICT Monitor Shows “Controller 2: Not Connected”
ICT Monitor Shows “Vehicle: System Error”
ICT Monitor Shows “Lever Switch: System Error”
ICT Monitor Shows “Correction Information: Acquiring”
Bucket Edge Position on Design Surface is Not Accurate When Auto Grade Assist Function is on
Bucket Edge Stop Position is Not Accurate for Design Surface When Auto Stop Control Function is on
Auto Grade Assist Control Does Not Operate While “Semi-Auto Mode” is Shown
Auto Stop Control Does Not Operate While “Semi-Auto Mode” is Shown
“Semi-Auto Mode” is Shown but the Work Mode Icon is Not Shown
Attachment Angle Hold Control Function Does Not Operate
Auto Boom Down Function Does Not Operate
Compaction Control Does Not Operate
Facing Angle Compass Does Not Become Perpendicular to Target
Payload Volume is Not Accurate
3D Boundary Control Does Not Operate While “3D Boundary Icon” is Shown
Auto Swing Control Does Not Operate
Unintended Movements Occur During Registration When Auto Swing Control is Active
“Auto-Control Disabled: Controller 1 Output Error” is Shown While You Use Auto Swing Application
“Auto-Control Disabled: Invalid Waypoints – Key Off Required” is Shown While You Use Auto Swing Application
“Failed to register.” is Shown While You Use Payload Meter Function of Auto Swing Application
“Registration process error detected. Please retry. If this error persists, please contact your Komatsu distributor.” is Shown While You Use Auto Swing Application
“This function is not activated. Please ask your Komatsu distributor to activate.” is Shown While You Use Auto Swing Application
Troubleshooting for Hydraulic and Mechanical Systems (H Mode)
Information Shown in Troubleshooting Table (H-Mode)
Failure Mode and Cause Table
All Work Equipment, Swing and Travel Do Not Work
All Work Equipment, Swing and Travel Lack Speed and Power
Fine Control Performance or Response is Unsatisfactory
Unusual Noise is Heard from Around Hydraulic Pump
Engine Speed Drops Largely or Engine Stops
Speed or Power of Boom is Low
Arm Speed or Power is Low
Bucket Speed or Power is Low
Fine Control Performance or Response is Unsatisfactory Only for Specified Work Equipment
Work Equipment Does Not Move in Single Operation
Hydraulic Drift of Boom is Large
Hydraulic Drift of Arm is Large
Hydraulic Drift of Bucket is Large
When Single Work Equipment is Released Hydraulically, Other Work Equipment Moves
Time Lag of Work Equipment is Large
One-Touch Power Maximizing Function Does Not Operate
Attachment Circuit Cannot be Changed
Oil Flow in Attachment Circuit Cannot be Changed
The Set Pressure of Attachment is Not Output
In Mixed Operation of Work Equipment, Equipment Having Heavier Load Moves Slower
In Mixed Operation of Swing and Boom Raise, Boom Raise Speed is Low
Machine Does Not Travel Straight
Machine is Not Steered Correctly or Steering Power is Low
Travel Speed is Low
One of Tracks Does Not Run
Travel Speed Does Not Change, or Travel Speed is Too Slow or Fast
Machine Does Not Swing to Right or Left
Upper Structure Swings Only to the Right or Left
Swing Acceleration or Swing Speed is Low in Two Directions of Right and Left
Swing Acceleration Performance is Unsatisfactory or Swing Speed is Low in Only One Direction
Upper Structure Overruns Too Much When It Stops Swing Operation (Right and Left)
Upper Structure Overruns Too Much When It Stops Swing Operation (Right or Left)
Shock is Large When Upper Structure Stops Swing Operation
Large Unusual Noise is Heard When Upper Structure Stops Swing Operation
Swing Drift on a Slope is Large (While Swing Parking Brake is Applied)
Swing Drift on a Slope is Large (While Swing Parking Brake is Released)
Fan Speed is Abnormal (Too High or Low, or Does Not Rotate)
Unusual Noise is Heard from Around Fan
Troubleshooting of Engine (S-Mode)
Information Shown in Troubleshooting Table (S-Mode)
Engine Does Not Crank When Starting Switch is Turned to START Position
Engine Cranks but No Exhaust Smoke Comes Out
Fuel is Sprayed but Engine Does Not Start (Misfiring: Engine Cranks but Does Not Start)
Engine Startability is Unsatisfactory
Engine Does Not Pick Up Smoothly
Engine Stops During Operation
Engine Runs Rough or is Not Stable
Engine Lacks Power
KDPF Becomes Clogged in a Short Time
Engine Oil Consumption is Excessive
Engine Oil Becomes Dirty Quickly
Fuel Consumption is Excessive
Oil is in Coolant (or Coolant Spurts Back or Coolant Level Goes Down)
Engine Oil Pressure Drops
Fuel Mixes Into Engine Oil
Water Mixes Into Engine Oil (Milky)
Coolant Temperature Increases Too High (Overheating)
Unusual Noise is Heard
Vibration is Excessive
Air Cannot be Bled from Fuel Circuit
Active Regeneration is Done Frequently
Active Regeneration Continues Long
White Smoke is Exhausted During Active Regeneration
DEF Consumption is High
There is Unusual Smell (Irritating Odor)
Foreign Materials Enter DEF (DEF Increases)
50 Disassembly and Assembly
Table of Contents
Precautions Before Work
Related Information on Disassembly and Assembly
How to Read This Manual
Coating Materials List
Special Tool List
Sketches of Special Tools
Prepare
Drain and Add Coolant
How to Drain Coolant
How to Add Coolant
Drain and Add Hydraulic Oil
How to Drain Hydraulic Oil
How to Add Hydraulic Oil
Drain and Add Fuel
How to Drain Fuel
How to Add Fuel
Collect and Refill Refrigerant
How to Collect Refrigerant
How to Refill Refrigerant
Engine and Cooling System
Remove and Install Supply Pump Assembly
How to Remove Supply Pump Assembly
How to Install Supply Pump Assembly
Remove and Install Injector Assembly
How to Remove Injector Assembly
How to Install Injector Assembly
Remove and Install Cylinder Head Assembly
How to Remove Cylinder Head Assembly
How to Install Cylinder Head Assembly
Remove and Install Starting Motor Assembly
How to Remove Starting Motor Assembly
How to Install Starting Motor Assembly
Remove and Install Alternator Belt
How to Remove Alternator Belt
How to Install Alternator Belt
Remove and Install Alternator Assembly
How to Remove Alternator Assembly
How to Install Alternator Assembly
Remove and Install Auto-Tensioner
How to Remove Auto-Tensioner
How to Install Auto-Tensioner
Remove and Install Expansion Tank Assembly
How to Remove Expansion Tank Assembly
How to Install Expansion Tank Assembly
Remove and Install Radiator Assembly
How to Remove Radiator Assembly
How to Install Radiator Assembly
Remove and Install Hydraulic Oil Cooler Assembly
How to Remove Hydraulic Oil Cooler Assembly
How to Install Hydraulic Oil Cooler Assembly
Remove and Install Aftercooler Assembly
How to Remove Aftercooler Assembly
How to Install Aftercooler Assembly
Remove and Install Fan Clutch Assembly
How to Remove Fan Clutch Assembly
How to Install Fan Clutch Assembly
Remove and Install Fan
How to Remove Fan
How to Install Fan
Remove and Install Engine and Main Pump Assembly
How to Remove Engine and Main Pump Assembly
How to Install Engine and Main Pump Assembly
Remove and Install Engine Front Oil Seal
How to Remove Engine Front Oil Seal
How to Install Engine Front Oil Seal
Remove and Install Engine Rear Oil Seal
How to Remove Engine Rear Oil Seal
How to Install Engine Rear Oil Seal
Remove and Install Engine Hood Assembly
How to Remove Engine Hood Assembly
How to Install Engine Hood Assembly
Remove and Install Fuel Tank Assembly
How to Remove Fuel Tank Assembly
How to Install Fuel Tank Assembly
Remove and Install DEF Tank Assembly
How to Remove DEF Tank Assembly
How to Install DEF Tank Assembly
Remove and Install DEF Tank Sensor Flange Assembly
How to Remove DEF Tank Sensor Flange Assembly
How to Install DEF Tank Sensor Flange Assembly
Remove and Install DEF Tank Sensor
How to Remove DEF Tank Sensor
How to Install DEF Tank Sensor
Remove and Install DEF Tank Strainer
How to Remove DEF Tank Strainer
How to Install DEF Tank Strainer
Remove and Install KDPF and SCR Assembly
How to Remove KDPF and SCR Assembly
How to Install KDPF and SCR Assembly
Disassemble and Assemble KDPF and SCR Assembly
How to Disassemble KDPF and SCR Assembly
How to Assemble KDPF and SCR Assembly
Remove and Install Bellows Pipe Assembly
How to Remove Bellows Pipe Assembly
How to Install Bellows Pipe Assembly
Remove and Install Exhaust Throttle Valve
How to Remove Exhaust Throttle Valve
How to Install Exhaust Throttle Valve
Remove and Install DEF Injector
How to Remove DEF Injector
How to Install DEF Injector
Remove and Install DEF Pump
How to Remove DEF Pump
How to Install DEF Pump
Remove and Install DEF Hose
How to Remove DEF Hose
How to Install DEF Hose
Remove and Install Air Cleaner Assembly
How to Remove Air Cleaner Assembly
How to Install Air Cleaner Assembly
Remove and Install Air Conditioner Compressor Assembly
How to Remove Air Conditioner Compressor Assembly
How to Install Air Conditioner Compressor Assembly
Remove and Install Air Conditioner Condenser Assembly
How to Remove Air Conditioner Condenser Assembly
How to Install Air Conditioner Condenser Assembly
Remove and Install Exhaust Pipe Cover
How to Remove Exhaust Pipe Cover
How to Install Exhaust Pipe Cover
Power Train
Remove and Install Travel Motor and Final Drive Assembly
How to Remove Travel Motor and Final Drive Assembly
How to Install Travel Motor and Final Drive Assembly
Disassemble and Assemble Final Drive Assembly
How to Disassemble Final Drive Assembly
How to Assemble Final Drive Assembly
Remove and Install Swing Motor and Swing Machinery Assembly
How to Remove Swing Motor and Swing Machinery Assembly
How to Install Swing Motor and Swing Machinery Assembly
Disassemble and Assemble Swing Machinery Assembly
How to Disassemble Swing Machinery Assembly
How to Assemble Swing Machinery Assembly
Remove and Install Swing Circle Assembly
How to Remove Swing Circle Assembly
How to Install Swing Circle Assembly
Undercarriage and Frame
Separate and Connect Track Assembly
How to Separate Track Assembly
How to Install Track Assembly
Remove and Install Sprocket
How to Remove Sprocket
How to Install Sprocket
Remove and Install Idler and Idler Cushion Assembly
How to Remove Idler and Idler Cushion Assembly
How to Install Idler and Idler Cushion Assembly
Disassemble and Assemble Idler Assembly
How to Disassemble Idler Assembly
How to Assemble Idler Assembly
Disassemble and Assemble Idler Cushion Assembly
How to Disassemble Idler Cushion Assembly
Assemble Idler Cushion Assembly
Disassemble and Assemble Track Roller Assembly
How to Disassemble Track Roller Assembly
How to Assemble Track Roller Assembly
Disassemble and Assemble Carrier Roller Assembly
How to Disassemble Carrier Roller Assembly
How to Assemble Carrier Roller Assembly
Remove and Install Revolving Frame Assembly
How to Remove Revolving Frame Assembly
How to Install Revolving Frame Assembly
Remove and Install Counterweight Assembly
How to Remove Counterweight Assembly
How to Install Counterweight Assembly
Hydraulic System
Remove and Install Center Swivel Joint Assembly
How to Remove Center Swivel Joint Assembly
How to Install Center Swivel Joint Assembly
Disassemble and Assemble Center Swivel Joint Assembly
How to Disassemble Center Swivel Joint Assembly
How to Assemble Center Swivel Joint Assembly
Remove and Install Hydraulic Tank Assembly
How to Remove Hydraulic Tank Assembly
How to Install Hydraulic Tank Assembly
Remove and Install Main Pump Assembly
How to Remove Main Pump Assembly
How to Install Main Pump Assembly
Remove and Install Control Valve Assembly
How to Remove Control Valve Assembly
How to Install Control Valve Assembly
Disassemble and Assemble Control Valve Assembly
How to Assemble Control Valve Assembly
Work Equipment
Remove and Install Work Equipment Assembly
How to Remove Work Equipment Assembly
How to Install Work Equipment Assembly
Remove and Install Boom Anti-Drop Valve Assembly
How to Remove Boom Anti-Drop Valve Assembly
How to Install Boom Anti-Drop Valve Assembly
Remove and Install Arm Anti-Drop Valve Assembly
How to Remove Arm Anti-Drop Valve Assembly
How to Install Arm Anti-Drop Valve Assembly
Remove and Install Boom Cylinder Assembly
How to Remove Boom Cylinder Assembly
How to Install Boom Cylinder Assembly
Removal and installation of arm cylinder assembly
How to Remove Arm Cylinder Assembly
How to Install Arm Cylinder Assembly
Removal and installation of bucket cylinder assembly
How to Remove Bucket Cylinder Assembly
How to Install Bucket Cylinder Assembly
Disassemble and Assemble Boom Cylinder Assembly
How to Disassemble Boom Cylinder Assembly
How to Assemble Boom Cylinder Assembly
Disassemble and Assemble Arm Cylinder Assembly
How to Disassemble Arm Cylinder Assembly
How to Assemble Arm Cylinder Assembly
Disassemble and Assemble Stroke and Reset Sensing Bucket Cylinder Assembly
How to Disassemble Stroke and Reset Sensing Bucket Cylinder Assembly
How to Assemble Stroke and Reset Sensing Bucket Cylinder Assembly
CAB Related Parts
Remove and Install Operator Cab Assembly
How to Remove Operator Cab Assembly
How to Install Operator Cab Assembly
Remove and Install Operator Cab and Floor Frame Assembly
How to Remove Operator Cab and Floor Frame Assembly
How to Install Operator Cab and Floor Frame Assembly
Remove and Install Operator Cab Glass (Adhered Glass)
How to Remove Operator Cab Glass (Adhered Glass)
How to Install Operator Cab Glass (Adhered Glass)
Remove and Install Front Window Assembly
How to Remove Front Window Assembly
How to Install Front Window Assembly
Remove and Install Floor Frame Assembly
How to Remove Floor Frame Assembly
How to Install Floor Frame Assembly
Remove and Install Air Conditioner Unit Assembly
How to Remove Air Conditioner Unit Assembly
How to Install Air Conditioner Unit Assembly
Remove and Install Operator Seat
How to Remove Operator Seat
How to Install Operator Seat
Remove and Install Seat Belt
How to Remove Seat Belt
How to Install Seat Belt
Remove and Install Work Equipment Control Lever Assembly
How to Remove Work Equipment Control Lever Assembly
How to Install Work Equipment Control Lever Assembly
Remove and Install Front Wiper Assembly
How to Remove Front Wiper Assembly
How to Install Front Wiper Assembly
Electrical System
Remove and Install Engine Controller Assembly
How to Remove Engine Controller Assembly
How to Install Engine Controller Assembly
Remove and Install Valve Controller Assembly
How to Remove Valve Controller Assembly
How to Install Valve Controller Assembly
Remove and Install Work Equipment Controller Assembly
How to Remove Work Equipment Controller Assembly
How to Install Work Equipment Controller Assembly
Remove and Install Monitor Controller Assembly
How to Remove Monitor Controller Assembly
How to Install Monitor Controller Assembly
Remove and Install KomVision Controller Assembly
How to Remove KomVision Controller Assembly
How to Install KomVision Controller Assembly
Remove and Install Starter Signal Unit Assembly
How to Remove Starter Signal Unit Assembly
How to Install Starter Signal Unit Assembly
Remove and Install Radio
How to Remove Radio
How to Install Radio
Remove and Install Air Conditioner Controller
How to Remove Air Conditioner Controller
How to Install Air Conditioner Controller
Remove and Install Machine Monitor Assembly
How to Remove Machine Monitor Assembly
How to Install Machine Monitor Assembly
Remove and Install Bypass Valve Sensor of Hydraulic Tank
How to Remove Bypass Valve Sensor of Hydraulic Tank
How to Install Bypass Valve Sensor of Hydraulic Tank
Remove and Install Swash Plate Sensor of Main Pump
How to Remove Swash Plate Sensor of Main Pump
How to Install Swash Plate Sensor of Main Pump
Remove and Install Spool Stroke Sensor of Control Valve
How to Remove Spool Stroke Sensor of Control Valve
How to Install Spool Stroke Sensor of Control Valve
Remove and Install T-BAP Sensor
How to Remove T-BAP Sensor
How to Install T-BAP Sensor
Remove and Install KDPF Differential Pressure Sensor
How to Remove KDPF Differential Pressure Sensor
How to Install KDPF Differential Pressure Sensor
Remove and Install KDPF Inlet NOx Sensor
How to Remove KDPF Inlet NOx Sensor
How to Install KDPF Inlet NOx Sensor
Remove and Install KDPF and SCR Temperature Sensor
How to Remove KDPF and SCR Temperature Sensor
How to Install KDPF and SCR Temperature Sensor
Remove and Install SCR Outlet NOx Sensor
How to Remove SCR Outlet NOx Sensor
How to Install SCR Outlet NOx Sensor
Remove and Install KomVision Camera
How to Remove KomVision Camera
How to Install KomVision Camera
Remove and Install Gateway Function Controller Assembly
How to Remove Gateway Function Controller Assembly
How to Install Gateway Function Controller Assembly
Remove and Install Communication Terminal
How to Remove Communication Terminal
How to Install Communication Terminal
Remove and Install Navigation Controller
How to Remove Navigation Controller
How to Install Navigation Controller
Remove and Install ICT Monitor
How to Remove ICT Monitor
How to Install ICT Monitor
Remove and Install ICT Monitor Wiring Harness
How to Remove ICT Monitor Wiring Harness
How to Install ICT Monitor Wiring Harness
Remove and Install GNSS Controller Assembly
How to Remove GNSS Controller Assembly
How to Install GNSS Controller Assembly
Remove and Install GNSS Antenna
How to Remove GNSS Antenna
How to Install GNSS Antenna
Remove and Install IMU Sensor
How to Remove IMU Sensor
How to Install IMU Sensor
Remove and Install Boom IMU Sensor
How to Remove Boom IMU Sensor
How to Install Boom IMU Sensor
Remove and Install Arm IMU Sensor
How to Remove Arm IMU Sensor
How to Install Arm IMU Sensor
Remove and Install Radar
How to Remove Radar
How to Install Radar
60 Maintenance Standard
Table of Contents
Explanation of Terms for Maintenance Standard
Engine and Cooling System
Maintenance Standard for Engine Mount
Maintenance Standard for Cooling System
Power Train
Maintenance Standard for Swing Circle
Maintenance Standard for Swing Machinery
Maintenance Standard for Final Drive
Maintenance Standard for Sprocket
Maintenance Standard for Sprocket Tooth Profile Full-Scale Drawing
Undercarriage and Frame
Maintenance Standard for Track Frame and Idler Cushion
Maintenance Standard for Idler
Maintenance Standard for Track Roller
Maintenance Standard for Carrier Roller
Maintenance Standard for Track Shoes
Maintenance Standard for Triple Shoes
Hydraulic System
Maintenance Standard for Hydraulic Tank
Maintenance Standard for Main Pump
Maintenance Standard of Electronic Control Valve
Maintenance Standard for Swing Motor
Maintenance Standard for Travel Motor
Maintenance Standard for Control Valve
Maintenance Standard for Boom and Arm Anti-Drop Valve
Maintenance Standard for Solenoid Valve
Maintenance Standard for Attachment Circuit Selector Valve (For High Pressure)
Maintenance Standard for Attachment Circuit Selector Valve (For Low Pressure)
Maintenance Standard for Center Swivel Joint
Work Equipment
Maintenance Standard for Work Equipment Linkage
Dimensions of Arm
Dimensions of Bucket
Maintenance Standard for Boom Cylinder (Large Diameter Piston)
Maintenance Standard for Arm Cylinder
Maintenance Standard for Stroke and Reset Sensing Bucket Cylinder
Maintenance Standard for Stroke and Reset Sensor for Bucket Cylinder
CAB Related Parts
Maintenance Standard for CAB Mount
80 Appendix
Table of Contents
Precautions Before Work
Air Conditioner System
Precautions for Refrigerant
Air Conditioner Component
Specifications of Air Conditioner
Structure and Function of Refrigeration Cycle
Outline of Refrigeration Cycle
Component Parts of Air Conditioner System
Air Conditioner Unit
Configuration Diagram of Air Conditioner Unit
Function of Air Conditioner Unit
Component Parts of Air Conditioner Unit
Function of Evaporator as Air Conditioner Unit Component
Function of Heater Core as Air Conditioner Unit Component
Function of Evaporator Temperature Sensor as Air Conditioner Unit Component
Function of Servo Motor as Air Conditioner Unit Component
Structure of Expansion Valve as Air Conditioner Unit Component
Function of Expansion Valve as Air Conditioner Unit Component
Operate Expansion Valve as Air Conditioner Unit Component
Function of Air Conditioner High-Pressure Sensor
Air Conditioner Controller
Structure of Air Conditioner Controller
Compressor
Structure of Compressor
Specifications of Compressor
Function of Compressor
Condenser
Structure of Condenser
Specifications of Condenser
Function of Condenser
Air Conditioner Related Sensors
Structure of Sunlight Sensor
Function of Sunlight Sensor
Structure of Outside Temperature Sensor
Function of Outside Air Temperature Sensor
Explanation of Procedure for Test of and Troubleshooting of Air Conditioner
Circuit Diagram and Configuration of Connector Pins of Air Conditioner
Input and Output Signals of Air Conditioner Controller
Function of Air Conditioner Controller
Locations of Air Conditioner Parts and Layout of Connectors
Examine Air Leakage (Duct)
How to Examine Air Leakage (Duct)
Examine Air Conditioner with Self-Diagnosis Function
How to See Electrical System Abnormality Record by SDT
Examine Vent (Mode) Changeover
How to Examine Vent (Mode) Changeover
Examine Fresh/Recirc Air Changeover
How to Examine Fresh/Recirc Air Changeover
Examine Sunlight Sensor
How to Examine Sunlight Sensor
Examine Air Conditioner High Pressure and Low Pressure Sensor
How to Examine High-Pressure Sensor
Examine Relay
How to Examine Relay
Air Conditioner Troubleshooting Chart 1
Air Conditioner Troubleshooting Chart 2
Information Shown in Troubleshooting Table
Failure Code [879AKA]
Failure Code [879AKB]
Failure Code [879BKA]
Failure Code [879BKB]
Failure Code [879CKA]
Failure Code [879CKB]
Failure Code [879DKZ]
Failure Code [879EMC]
Failure Code [879FMC]
Failure Code [879GKX]
Troubleshooting for Power Supply System (Air Conditioner Does Not Operate)
Troubleshooting for Compressor and Refrigerant System (Air is Not Cooled)
Troubleshooting for Blower Motor System (No Air Comes Out or Air Flow is Abnormal)
Troubleshooting for Fresh/Recirc Air Changeover
Troubleshooting by Gauge Pressure
Connect Service Tool
How to Connect Service Tool
Precautions for Disconnection and Connection of Air Conditioner Piping
Handle Compressor Oil
How to Replace Desiccant
Payload
Before You Read This Manual
Structure and Operation of Payload
Payload System
Payload System Diagram
Function of Payload System
Operation Principle of Payload System
Examine Payload Accuracy
How to Examine Payload Accuracy
90 Circuit Diagrams
Table of Contents
How to Read the Codes for Electric Cable
Hydraulic Circuit Diagram
Symbols Used in Hydraulic Circuit Diagram
Hydraulic Circuit Diagram(1/3)
Hydraulic Circuit Diagram(2/3)
Hydraulic Circuit Diagram(3/3)
Electrical Circuit Diagram
Symbols Used in Electric Circuit Diagram
Electrical Circuit Diagram(1/25)
Electrical Circuit Diagram(2/25)
Electrical Circuit Diagram(3/25)
Electrical Circuit Diagram(4/25)
Electrical Circuit Diagram(5/25)
Electrical Circuit Diagram(6/25)
Electrical Circuit Diagram(7/25)
Electrical Circuit Diagram(8/25)
Electrical Circuit Diagram(9/25)
Electrical Circuit Diagram(10/25)
Electrical Circuit Diagram(11/25)
Electrical Circuit Diagram(12/25)
Electrical Circuit Diagram(13/25)
Electrical Circuit Diagram(14/25)
Electrical Circuit Diagram(15/25)
Electrical Circuit Diagram(16/25)
Electrical Circuit Diagram(17/25)
Electrical Circuit Diagram(18/25)
Electrical Circuit Diagram(19/25)
Electrical Circuit Diagram(20/25)
Electrical Circuit Diagram(21/25)
Electrical Circuit Diagram(22/25)
Electrical Circuit Diagram(23/25)
Electrical Circuit Diagram(24/25)
Electrical Circuit Diagram(25/25)
Index
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