Hitachi ZX 690LCH-7 690LCR-7 Hydraulic Excavator Troubleshooting Technical Manual PN:TTJBQ40

Description

Hitachi ZX 690LCH-7 690LCR-7 Hydraulic Excavator Troubleshooting Technical Manual PN:TTJBQ40 – PDF DOWNLOAD

FILE DETAILS:

Hitachi ZX 690LCH-7 690LCR-7 Hydraulic Excavator Troubleshooting Technical Manual PN:TTJBQ40 – PDF DOWNLOAD

Language :English
Pages :651
Downloadable : Yes
File Type : PDF

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DESCRIPRION:

Hitachi ZX 690LCH-7 690LCR-7 Hydraulic Excavator Troubleshooting Technical Manual PN:TTJBQ40 – PDF DOWNLOAD

Service Manual consists of the following separate Part No.
Technical Manual (Operational Principle) : Vol. No.TOJBQ40-EN
Technical Manual (Troubleshooting) : Vol. No.TTJBQ40-EN
Workshop Manual : Vol. No.WJBQ40-EN
Engine Manual : Vol. No.ETJAQ51-EN, EWJAQ51-EN

To The Reader
This manual is written for an experienced technician to provide technical information needed to maintain and repair this
machine.
The machine specification and description according to destination may be explained on this manual.
● Be sure to thoroughly read this manual for correct product information and service procedures.
● If you have any questions or comments, at if you found any errors regarding the contents of this manual, please
contact using “Service Manual Revision Request Form” at the end of this manual. (Note: Do not tear off the form. Copy
this form for usage.)
• Service Material Development Center Hitach Construction Machinery Co., Ltd.
• TEL: 81-29-832-9673
• FAX: 81-29-831-1162
• E-mail: [email protected]
All information, illustrations and specifications in this manual are based on the latest product information available at the
time of publication. The right is reserved to make changes at any time without notice.
Additional References
Please refer to the other materials (operator’s manual, parts catalog, engine technical material and Hitachi training
material etc.) in addition to this manual.
Manual Composition
This manual consists the Technical Manual, the Workshop Manual and the Engine Manual.
● Information included in the Technical Manual: Technical information needed for redelivery and delivery
• Operation and activation of all devices and systems, operational performance tests, and troubleshooting
procedures.
● Information included in the Workshop Manual: Technical information needed for maintenance and repair of the
machine
• Tools and devices needed for maintenance and repair, maintenance standards, and removal / installation and
assemble / disassemble procedures
● Information included in the Engine Manual: Technical information needed for redelivery and delivery and
maintenance and repair of the machine
• Operation and activation of all devices and systems, troubleshooting and assemble / disassemble procedures

TABLE OF CONTENTS:

Hitachi ZX 690LCH-7 690LCR-7 Hydraulic Excavator Troubleshooting Technical Manual PN:TTJBQ40 – PDF DOWNLOAD

Service Manual consists of the following separate Part No.
Technical Manual (Operational Principle) : Vol. No.TOJBQ40-EN
Technical Manual (Troubleshooting) : Vol. No.TTJBQ40-EN
Workshop Manual : Vol. No.WJBQ40-EN
Engine Manual : Vol. No.ETJAQ51-EN, EWJAQ51-EN

IntroductionT4-1-1
Operational Performance Tests T4-1-1
Preparation for Performance Tests T4-1-2
StandardT4-2-1
Operational Performance Standard Table T4-2-1
Engine System Performance Standards T4-2-1
Travel System Performance Standards T4-2-2
Swing System Performance Standards T4-2-2
Front Attachment System Performance Standards
T4-2-3
Lever System Performance Standards T4-2-3
Combined Operation System Performance
Standards T4-2-4
Components System Performance Standards T4-2-4
Main Pump P-Q Diagram T4-2-5
Fan Pump I-Q Diagram T4-2-6
Fan Valve I-Q Diagram T4-2-6
Engine Control Dial Activating Range T4-2-7
Pilot Pressure Sensor (4436535) Activating Range
T4-2-8
Pump Displacement Control Pressure Sensor
(4436536) Activating Range T4-2-8
Pump Delivery Pressure Sensor (4668254)
Activating Range T4-2-9
Monitor Indicating Values of ECM T4-2-10
Monitor Indicating Values of MCT4-2-12
Monitor Indicating Values of MC (Pressure Sensor)
T4-2-15
Monitor Indicating Values of MC (Solenoid Valve)
T4-2-17
Monitor Indicating Values of Switch Box
Controller T4-2-18
Engine TestT4-3-1
Engine Speed T4-3-1
Lubricant Consumption T4-3-3
Machine Performance Test T4-4-1
Travel Speed T4-4-1
Track Link Revolution Speed T4-4-1
Mistrack Check T4-4-2
Travel Parking Leakage T4-4-3
Swing Speed T4-4-4
Swing Function Drift Check T4-4-5
Swing Motor Leakage T4-4-7
Maximum Swingable Slant Angle T4-4-8
Swing Bearing Play T4-4-9
Hydraulic Cylinder Cycle TimeT4-4-11
Dig Function Drift Check (Maximum Reach
Position)T4-4-12
Dig Function Drift Check (Arm Roll-In Position) T4-4-14
Control Lever Operating ForceT4-4-15
Control Lever Stroke T4-4-16
Combined Operation of Boom Raise and Swing
Function Check T4-4-16
Combined Operation of Boom Raise and Arm
Roll-In Function Check T4-4-18
Component TestT4-5-1
Primary Pilot Pressure T4-5-1
Secondary Pilot Pressure T4-5-2
4-Spool Solenoid Valve Unit Set Pressure (Control
Valve Side) T4-5-3
4-Spool Solenoid Valve Unit Set Pressure
(Hydraulic Oil Tank Side) T4-5-6
Main Pump Delivery Pressure T4-5-8
Radiator Fan Pump Delivery Pressure T4-5-9
Main Relief Set Pressure T4-5-10
Main Relief Valve Pressure Adjustment Procedure
T4-5-12
High-Pressure Side of Main Relief Pressure
Adjustment Procedure T4-5-13
Low-Pressure Side of Main Relief Pressure
Adjustment Procedure T4-5-15
Relief Pressure (When Relieving Swing) T4-5-16
Relief Pressure (When Relieving Travel)T4-5-17
Overload Relief Valve Set Pressure T4-5-18
Overload Relief Valve Pressure Adjustment
Procedure (Reference) T4-5-19
Main Pump Flow Rate T4-5-20
Radiator Fan Pump Flow Rate T4-5-22
Adjustment of Main Pump Flow Rate ControlT4-5-24
Adjustment of Radiator Fan Pump Flow Rate
ControlT4-5-25
Swing Motor DrainageT4-5-27
Travel Motor Drainage T4-5-29
Radiator Fan Motor Drainage T4-5-31
Oil Cooler Fan Motor and Oil Cooler Fan Valve
Drainage T4-5-33
Adjustment T4-6-1
Rewrite of Aftertreatment Device Serial No T4-6-1
How to Clear Fault Code T4-6-1
Measuring Method of No-Load-Max Different ial
Pressure T4-6-3
Differential Pressure Sensor Learning T4-6-4
Filter Maintenance T4-6-5
Procedure after Replacing DCU and ECM T4-6-5
Air Bleeding from the Diesel Exhaust Fluid
Defrosting Piping T4-6-6
How to Check Manual Regeneration Switch T4-6-8
Remedy at DEF Pressure Decrease T4-6-9
Clean DEF Tank T4-6-10
Remedy when Mixing Oil in DEF TankT4-6-14
Calibration of Aerial Angle T4-6-14
Oil Monitoring Sensor Setting T4-6-22
[A] Constant Change (Oil Monitoring Sensor
Setting)T4-6-23
[D] Sensor Collective Diagnosis (Oil Monitoring
Sensor Functional Check)T4-6-26
[B] Diagnosis of Engine Oil Monitoring Sensor (Oil
Monitoring Sensor Functional Check) T4-6-29
[C] Diagnosis of Hydraulic Oil Monitoring Sensor
(Oil Monitoring Sensor Functional Check) T4-6-32
Diagnosing Procedure T5-1-1
Introduction T5-1-1
Diagnosis Procedure T5-1-2
Electrical System Inspection T5-1-5
Precautions for Inspection and Maintenance T5-1-5
Instructions for Disconnecting Connectors T5-1-7
Instructions for Removing Relays T5-1-9
Fuse InspectionT5-1-11
Fuse Connection DestinationT5-1-11
Fusible Link Inspection T5-1-13
Battery Voltage CheckT5-1-16
Alternator Check T5-1-16
Continuity Check T5-1-18
Voltage and Current Measurement of 24-Volt
CircuitT5-1-19
Voltage and Current Measurement of 5-Volt
CircuitT5-1-24
Check by False Signal T5-1-27
Test Wire HarnessT5-1-27
Removal of ECM T5-1-29
Installation of ECM T5-1-30
Removal of DCU T5-1-31
Installation of DCU T5-1-33
Removal of MC (Main Controller)T5-1-35
Installation of MC (Main Controller)T5-1-38
Removal of Monitor Controller T5-1-41
Installation of Monitor Controller T5-1-44
Removal of GSM T5-1-48
Installation of GSM T5-1-51
Removal of Aerial Angle ControllerT5-1-55
Installation of Aerial Angle ControllerT5-1-58
Mounting Position of Pump Delivery Pressure
SensorT5-1-61
Mounting Position of Pump Displacement Control
Pressure SensorT5-1-62
Mounting Position of Boom Raise Pilot Pressure
SensorT5-1-63
Mounting Position of Boom Lower Pilot Pressure
SensorT5-1-63
Mounting Position of Arm Roll-Out Pilot Pressure
SensorT5-1-64
Mounting Position of Arm Roll-In Pilot Pressure
SensorT5-1-65
Mounting Position of Bucket Roll-Out Pilot
Pressure SensorT5-1-65
Mounting Position of Bucket Roll-In Pilot Pressure
SensorT5-1-66
Mounting Position of Travel Pilot Pressure Sensor
T5-1-67
Mounting Position of 4-Spool and 5-Spool Pilot
Pressure Sensor Pilot Pressure Sensor T5-1-68
Mounting Position of Swing Pilot Pressure Sensor
T5-1-69
Mounting Position of Front Pilot Pressure Sensor
T5-1-69
Mounting Position of Attachment Pilot Pressure
SensorT5-1-70
Mounting Position of Fuel SensorT5-1-71
Mounting Position of Hydraulic Oil Temperature
SensorT5-1-71
Mounting Position of Differential Pressure Sensor
T5-1-72
Mounting Position of Exhaust Temperature
SensorT5-1-73
Mounting Position of NOx Sensor T5-1-74
Mounting Position of Engine Oil Monitoring
SensorT5-1-75
Mounting Position of Hydraulic Oil Monitoring
SensorT5-1-75
Mounting Position of Ambient Temperature
SensorT5-1-76
Mounting Position of Re-circulated Air
Temperature Sensor T5-1-76
Mounting Position of Frost Sensor T5-1-77
Mounting Position of Solar Radiation SensorT5-1-77
MonitorT5-2-1
Basic Screen of Monitor T5-2-1
Operating Procedures of Service Menu T5-2-1
How to Display Service Menu T5-2-2
How to Display Troubleshooting Screen T5-2-4
How to Display Monitoring T5-2-7
Monitoring Items of Engine Controller (ECM) T5-2-11
Monitoring Items of Main Controller (MC) T5-2-13
Monitoring Items of PLCU T5-2-18
Monitoring Items of Monitor Controller
(Information)T5-2-18
Monitoring Items of Switch Box ControllerT5-2-19
Monitoring Items of Air Conditioner UnitT5-2-20
How to Display Controller VersionT5-2-20
How to Display Operation T5-2-21TTJBQ40-JA-
List of Communication Terminal StatusT5-2-24
Operating Procedures of Breaker AlarmT5-2-25
Operating Procedures of Machine Setting
(Constant Change)T5-2-27
List of Machine Setting ItemsT5-2-30
Operating Procedures of Monitor Setting
(Operation Permission) T5-2-31
Operating Procedures of Monitor Setting
(Maintenance Items) T5-2-34
List of Monitor Setting ItemsT5-2-37
Operating Procedures of Attachment Setting
(Constant Change)T5-2-40
List of Attachment Setting Items T5-2-42
Operating Procedures of Engine Setting T5-2-45
How to Display Aftertreatment Device NoT5-2-47
Attachment Adjustment T5-2-48
Operating Procedures of Pump Flow Rate T5-2-49
Inspection of Engine Oil Level and Coolant Level
T5-2-52
Inspection of Hour Meter and Fuel Gauge T5-2-53
Fuel Gauge T5-2-54
Coolant Temperature Gauge T5-2-55
DEF GaugeT5-2-55
Hydraulic Oil Temperature Gauge T5-2-56
e-ServiceT5-3-1
Outline of e-Service T5-3-1
List of Operation Data T5-3-1
Communication System T5-3-3
Component LayoutT5-4-1
Main Component (Upperstructure) T5-4-1
Main Component (Undercarriage) T5-4-3
Main Component (Front Attachment) T5-4-4
Electrical System (Overview) T5-4-5
Electrical System (Rear Tray) T5-4-6
Electrical System (Switches) T5-4-7
Electrical System (Utility Space) T5-4-8
Electrical System (Around Battery) T5-4-9
Engine Oil Monitoring Sensor and Engine Oil
Filter T5-4-9
Hydraulic Oil Monitoring SensorT5-4-10
Engine T5-4-11
Aftertreatment DeviceT5-4-12
Pump Device T5-4-13
Control Valve T5-4-14
Signal Control ValveT5-4-14
Pilot Check ValveT5-4-15
Swing DeviceT5-4-16
Travel Device T5-4-16
4-Spool Solenoid Valve Unit (Control Valve Side)
T5-4-17
4-Spool Solenoid Valve Unit (Hydraulic Oil Tank
Side)T5-4-17
Expansion TankT5-4-18
Air CleanerT5-4-18
DEF TankT5-4-19
DEF Supply ModuleT5-4-19
Coolant Control ValveT5-4-20
Electric Fuel Pump and Fuel FilterT5-4-20
Radiator Fan Valve and Radiator Fan MotorT5-4-21
Oil Cooler Fan Valve and Oil Cooler Fan Motor T5-4-22
Shockless ValveT5-4-22
Radiator Fan Valve T5-4-23
Oil Cooler Fan Valve T5-4-23
Boom Upper Area T5-4-24
Arm Upper AreaT5-4-24
Distribution Valve (Upperstructure)T5-4-25
Auto-Lubrication DeviceT5-4-25
Components in Control Valve T5-4-26
Pilot Valve Side of Pilot Port T5-4-37
Control Valve Side of Pilot Port T5-4-38
Port Layout of Control Valve (Main Circuit) T5-4-40
Port Layout of Control Valve (Pilot Circuit) T5-4-42
Cab Harness T5-4-45
Main HarnessT5-4-53
Pump HarnessT5-4-62
NOx Harness T5-4-63
Monitor HarnessT5-4-64
Console HarnessT5-4-65
Control Valve Harness T5-4-67
Wiper Harness T5-4-68
Wiper Motor HarnessT5-4-69
Pilot Shut-Off Solenoid Valve Harness T5-4-70
Engine Stop Switch Harness T5-4-71
Cigar Lighter Sub Harness T5-4-72
Engine HarnessT5-4-73
Rear View Camera HarnessT5-4-74
Oil Cooler Harness T5-4-75
Auto Lubrication Harness T5-4-76
Connector Layout of Monitor ControllerT5-4-77
Connector Layout of MC T5-4-78
Connector Layout of ECM and VGS ControllerT5-4-79
Connector Layout of DCUT5-4-80
Connector Layout of GSM T5-4-80
Connector Layout of Aerial Angle Controller T5-4-81
Connector Layout of PLCU (Option) T5-4-81
Troubleshooting AT5-5-1
Troubleshooting A (Base Machine Diagnosis by
Using Fault Codes) Procedure T5-5-1
Contents of Troubleshooting A T5-5-1
MC Fault Code 73000-3 T5-5-2
MC Fault Code 73000-4 T5-5-4
MC Fault Code 73001-3 T5-5-6
MC Fault Code 73001-4 T5-5-7
MC Fault Code 73002-3 T5-5-7
MC Fault Code 73003-2 T5-5-8
MC Fault Code 73004-2 T5-5-8
MC Fault Code 73005-2 T5-5-8
MC Fault Code 73006-2 T5-5-9
MC Fault Code 41000-2 T5-5-9
MC Fault Code 51000-3T5-5-10
MC Fault Code 51000-4T5-5-10
MC Fault Code 51001-3T5-5-11
MC Fault Code 51001-4T5-5-12
MC Fault Code 51046-3T5-5-13
MC Fault Code 51046-4T5-5-13
MC Fault Code 51045-3T5-5-14
MC Fault Code 51045-4T5-5-15
MC Fault Code 53000-3T5-5-16
MC Fault Code 53000-4T5-5-17
MC Fault Code 53001-3T5-5-18
MC Fault Code 53001-4T5-5-19
MC Fault Code 53022-3T5-5-19
MC Fault Code 53022-4T5-5-20
MC Fault Code 53004-3T5-5-21
MC Fault Code 53004-4T5-5-22
MC Fault Code 53005-3T5-5-23
MC Fault Code 53005-4T5-5-23
MC Fault Code 53006-3T5-5-24
MC Fault Code 53006-4T5-5-25
MC Fault Code 53015-3T5-5-25
MC Fault Code 53015-4T5-5-26
MC Fault Code 53016-3T5-5-27
MC Fault Code 53016-4T5-5-28
MC Fault Code 53029-3T5-5-28
MC Fault Code 53029-4T5-5-29
MC Fault Code 53023-3T5-5-30
MC Fault Code 53023-4T5-5-31
MC Fault Code 53024-3T5-5-31
MC Fault Code 53024-4T5-5-32
MC Fault Code 53025-3T5-5-33
MC Fault Code 53025-4T5-5-34
MC Fault Code 51041-2T5-5-34
MC Fault Code 51041-6T5-5-35
MC Fault Code 51041-5T5-5-36
MC Fault Code 51042-2T5-5-36
MC Fault Code 51042-6T5-5-37
MC Fault Code 51042-5T5-5-37
MC Fault Code 51009-2T5-5-38
MC Fault Code 51009-6T5-5-39
MC Fault Code 51009-5T5-5-39
MC Fault Code 51040-2T5-5-40
MC Fault Code 51040-6T5-5-41
MC Fault Code 51040-5T5-5-41
MC Fault Code 55000-2T5-5-42
MC Fault Code 55000-6T5-5-42
MC Fault Code 55000-5T5-5-43
MC Fault Code 51038-2T5-5-44
MC Fault Code 51038-6T5-5-44
MC Fault Code 51038-5T5-5-45
MC Fault Code 51043-2T5-5-46
MC Fault Code 51043-6T5-5-46
MC Fault Code 51043-5T5-5-47
MC Fault Code 51051-2T5-5-48
MC Fault Code 51051-6T5-5-48
MC Fault Code 51051-5T5-5-49
MC Fault Code 51052-2T5-5-50
MC Fault Code 51052-6T5-5-50
MC Fault Code 51052-5T5-5-51
MC Fault Code 51037-2T5-5-52
MC Fault Code 51037-6T5-5-52
MC Fault Code 51037-5T5-5-53
MC Fault Code 51050-2T5-5-54
MC Fault Code 51050-6T5-5-54
MC Fault Code 51050-5T5-5-55
MC Fault Code 51044-2T5-5-55
MC Fault Code 51044-6T5-5-56
MC Fault Code 51044-5T5-5-56
MC Fault Code 51048-2T5-5-57
MC Fault Code 51048-6T5-5-57
MC Fault Code 51048-5T5-5-58
MC Fault Code 51039-2T5-5-59
MC Fault Code 51039-6T5-5-59
MC Fault Code 51039-5T5-5-60
MC Fault Code 51021-3T5-5-60
MC Fault Code 51021-4T5-5-61
MC Fault Code 51022-3T5-5-62
MC Fault Code 51022-4T5-5-63
MC Fault Code 51025-0T5-5-64
MC Fault Code 63000-2T5-5-64
MC Fault Code 73007-2T5-5-65
MC Fault Code 73034-2T5-5-65
Monitor Controller (Information) Fault Code
41001-2 T5-5-65
Monitor Controller (Information) Fault Code
41002-3 T5-5-66
Monitor Controller (Information) Fault Code
41003-3 T5-5-66
Monitor Controller (Information) Fault Code
41003-4 T5-5-67
Monitor Controller (Information) Fault Code
73033-2 T5-5-69
Monitor Controller (Information) Fault Code
41004-14T5-5-69
Monitor Controller (Information) Fault Code
41005-14T5-5-69
Monitor Controller (Information) Fault Code
41006-14T5-5-70
Monitor Controller (Information) Fault Code
41007-14T5-5-70
Monitor Controller (Information) Fault Code
41008-14T5-5-71
Monitor Controller (Information) Fault Code
41004-20T5-5-71
Monitor Controller (Information) Fault Code
73013-2 T5-5-71
Monitor Controller (Information) Fault Code
73014-2 T5-5-72
Monitor Controller (Information) Fault Code
73015-2 T5-5-72
Monitor Controller (Information) Fault Code
73016-2 T5-5-73
Monitor Controller (Information) Fault Code
73017-2 T5-5-73
Monitor Controller (Information) Fault Code
73018-2 T5-5-73
Monitor Controller (Information) Fault Code
73019-2 T5-5-74
Monitor Controller (Information) Fault Code
73020-2 T5-5-74
Monitor Controller (Information) Fault Code
73021-2 T5-5-75
Monitor Controller (Information) Fault Code
68004-12T5-5-75
Monitor Controller (Information) Fault Code
68005-12T5-5-75
Monitor Controller (Information) Fault Code
68006-12T5-5-76
Monitor Controller (Information) Fault Code
68007-12T5-5-76
Monitor Controller (Information) Fault Code
68008-12T5-5-76
Monitor Controller (Information) Fault Code
68009-12T5-5-76
Monitor Controller (Information) Fault Code
41002-4 T5-5-76
Monitor Controller (Information) Fault Code
73029-2 T5-5-77
Monitor Controller (Monitor) Fault Code 73010-2
T5-5-77
Monitor Controller (Monitor) Fault Code 73011-2
T5-5-78
Monitor Controller (Monitor) Fault Code 73012-2
T5-5-78
Monitor Controller (Monitor) Fault Code 73030-2
T5-5-78
Monitor Controller (Monitor) Fault Code 13911-3
T5-5-79
Monitor Controller (Monitor) Fault Code 13912-4
T5-5-79
Monitor Controller (Monitor) Fault Code 13913-3
T5-5-80
Monitor Controller (Monitor) Fault Code 13914-4
T5-5-81
Monitor Controller (Monitor) Fault Code 13917-3
T5-5-81
Monitor Controller (Monitor) Fault Code 13918-4
T5-5-82
Monitor Controller (Monitor) Fault Code 13921-3
T5-5-82
Monitor Controller (Monitor) Fault Code 13922-4
T5-5-83
Monitor Controller (Monitor) Fault Code 13943-2
T5-5-83
Monitor Controller (Monitor) Fault Code 13944-2
T5-5-84
Monitor Controller (Monitor) Fault Code 13951-2
T5-5-85
Monitor Controller (Monitor) Fault Code 13991-2
T5-5-85
Monitor Controller (Monitor) Fault Code 13992-2
T5-5-86
Switch Box Controller Fault Code 14504-3 T5-5-86
Switch Box Controller Fault Code 14504-4 T5-5-86
Aerial Angle Controller Fault Code 68000-2T5-5-87
Aerial Angle Controller Fault Code 68001-2T5-5-87
Aerial Angle Controller Fault Code 68002-2T5-5-88
Aerial Angle Controller Fault Code 73022-2T5-5-89
Aerial Angle Controller Fault Code 68003-2T5-5-89
Power-CAN harness CheckT5-5-89
Body-CAN Harness CheckT5-5-91
ISO-CAN (Engine) Harness Check T5-5-93
IF-CAN Harness CheckT5-5-95
OPT-CAN Harness Check T5-5-96
ECM Fault Code ListT5-5-96
DCU Fault Code List T5-5-106
Troubleshooting BT5-6-1
Troubleshooting B (Machine Diagnosis by Using
Trouble Symptom) Procedure T5-6-1
Contents of Troubleshooting B T5-6-1
Relationship between Machine Trouble
Symptoms and Related Parts T5-6-3
When a Fault Occurs in MC (Main Controller) T5-6-3
When a Fault Occurs in Switch Box Controller T5-6-3
When a Fault Occurs in Engine Control Dial T5-6-3
When a Fault Occurs in Auto-Idle Switch T5-6-4
When a Fault Occurs in Power Mode Switch T5-6-4
When a Fault Occurs in Travel Mode Switch T5-6-4
When a Fault Occurs in Power Digging Switch T5-6-5
When a Fault Occurs in Pilot Shut-Off Switch (Pilot
Shut-Off Lever) T5-6-5
When a Fault Occurs in Manual Regeneration
Switch T5-6-6
When a Fault Occurs in Aerial Angle Switch T5-6-6
When a Fault Occurs in Learning Switch T5-6-6
When a Fault Occurs in Fan Reverse Rotation
Switch T5-6-7
When a Fault Occurs in Boom Mode Selector
Switch T5-6-7
When a Fault Occurs in Auto-Lubrication Switch
T5-6-7
When a Fault Occurs in Proximity Switch T5-6-8
When a Fault Occurs in Pilot Shut-Off Solenoid
Valve T5-6-8
When a Fault Occurs in Hydraulic Oil Temperature
Sensor T5-6-8
When a Fault Occurs in Differential Pressure
Sensor T5-6-9
When a Fault Occurs in DOC Inlet Exhaust
Temperature Sensor T5-6-9
When a Fault Occurs in DOC Outlet Exhaust
Temperature Sensor T5-6-9
When a Fault Occurs in SCR Exhaust Temperature
SensorT5-6-10
When a Fault Occurs in Pump 1 Delivery Pressure
SensorT5-6-10
When a Fault Occurs in Pump 2 Delivery Pressure
SensorT5-6-10
When a Fault Occurs in Pump 1 Displacement
Control Pressure SensorT5-6-11
When a Fault Occurs in Pump 2 Displacement
Control Pressure SensorT5-6-11
When a Fault Occurs Swing Pilot Pressure Sensor
T5-6-11
When a Fault Occurs in Boom Raise Pilot Pressure
SensorT5-6-12
When a Fault Occurs in Boom Lower Pilot Pressure
SensorT5-6-12
When a Fault Occurs in Arm Roll-In Pilot Pressure
SensorT5-6-12
When a Fault Occurs in Travel Pilot Pressure
SensorT5-6-13
When a Fault Occurs in Front Pilot Pressure Sensor
T5-6-13
When a Fault Occurs in Bucket Roll-In Pilot
Pressure SensorT5-6-14
When a Fault Occurs in Arm Roll-Out Pilot
Pressure SensorT5-6-14
When a Fault Occurs in Bucket Roll-Out Pilot
Pressure SensorT5-6-14
When a Fault Occurs in 5-Spool Pilot Pressure
SensorT5-6-15
When a Fault Occurs in 4-Spool Pilot Pressure
SensorT5-6-15
When a Fault Occurs in Attachment Pilot Pressure
Sensor (Option)T5-6-15
When a Fault Occurs in Pump 2 Control Solenoid
ValveT5-6-16
When a Fault Occurs in Pump 1 Control Solenoid
ValveT5-6-16
When a Fault Occurs in Swing Flow Rate Control
Solenoid Valve (SI)T5-6-16
When a Fault Occurs in Maximum Boom Mode
Selector Control Solenoid Valve (SF) T5-6-17
When a Fault Occurs in Travel Motor
Displacement Angle Solenoid Valve (SC) T5-6-17
When a Fault Occurs in Main Relief Valve Control
Solenoid Valve (SF)T5-6-18
When a Fault Occurs in Arm 2 Flow Rate Control
Solenoid Valve (SG)T5-6-18
When a Fault Occurs in Arm Regenerative Control
Solenoid Valve (SI)T5-6-19
When a Fault Occurs in 4-Spool Bypass Shut-Out
Control Solenoid Valve (SG)T5-6-19
When a Fault Occurs in 5-Spool Bypass Shut-Out
Control Solenoid Valve (SC)T5-6-20
When a Fault Occurs in Fan Reverse Rotation
Control Solenoid ValveT5-6-20
When a Fault Occurs in Fan Pump Control
Solenoid ValveT5-6-20
When a Fault Occurs in Fan Speed Control
Solenoid ValveT5-6-21
When a Fault Occurs in Main Relief Valve T5-6-21
When a Fault Occurs in Overload Relief ValveT5-6-21
When a Fault Occurs in Boom Anti-Drift ValveT5-6-22
When a Fault Occurs in Arm Rod Anti-Drift Valve
T5-6-22
When a Fault Occurs in Flow Combiner ValveT5-6-23
When a Fault Occurs in Boom Regenerative Valve
T5-6-23
When a Fault Occurs in Arm Regenerative Valve
T5-6-23
When a Fault Occurs in Arm Regeneration Cut
ValveT5-6-24
When a Fault Occurs in Bucket Regenerative Valve
T5-6-24
When a Fault Occurs in Bucket Regeneration Cut
ValveT5-6-24
When a Fault Occurs in Arm 1 Flow Rate Control
ValveT5-6-25
When a Fault Occurs in Arm 2 Flow Rate Control
ValveT5-6-25
When a Fault Occurs in Swing Flow Rate Control
ValveT5-6-26
When a Fault Occurs in Boom Flow Rate Control
ValveT5-6-26
When a Fault Occurs in Auxiliary Flow Combiner
ValveT5-6-27
When a Fault Occurs in Pump 1 Bypass Shut-Out
ValveT5-6-27
When a Fault Occurs in Pump 2 Bypass Shut-Out
ValveT5-6-28
When a Fault Occurs in Boom Lower Meter-In Cut
ValveT5-6-28
When a Fault Occurs in Travel Motor
Displacement Angle Control Valve T5-6-29
When a Fault Occurs in Swing Parking Brake
Release SpoolT5-6-29
When a Fault Occurs in Arm Flow Rate Control
Valve Control Spool T5-6-30
When a Fault Occurs in Flow Combiner Valve
Control SpoolT5-6-30
Identification Symbol of Troubleshooting BT5-6-31
Correlation between Trouble Symptoms and Part
Failures T5-6-32
Parts Related with “E-1 Starter does not rotate” T5-6-32
Parts Related with “E-2 Even if starter rotates,
engine does not start”T5-6-32
Parts Related with “E-3 Even if power mode
switch is operated, power mode is not shifted”
T5-6-32
Parts Related with “E-4 ECO, PWR mode is faulty”
T5-6-33
Parts Related with “E-5 Even if travel lever is single
operation with ECO or PWR mode, engine
speed does not increase”T5-6-33
Parts Related with “E-6 Auto-idle system is faulty”
T5-6-33
Parts Related with “E-9 Auto shut-down is not
activated”T5-6-34
Parts Related with “E-12 Engine speed does not
decrease when audio mute/one-touch idle
switch is pushed” T5-6-34
Parts Related with “A-1 All actuators do not work”
T5-6-35
Parts Related with “A-2 All actuator speeds are
slow” T5-6-35
Parts Related with “A-3 Actuator does not stop
even if control lever is set to neutral” T5-6-35
Parts Related with “A-4 Auto or manual
regeneration of aftertreatment device cannot
be performed”T5-6-36
Parts Related with “A-5 Travel (right) operation
speed is slow when performing travel single
operation Bucket single operation speed is
slow (All problems occur at the same time)”T5-6-36
Parts Related with “A-6 Travel (left) operation
speed is slow when performing travel single
operation Attachment single operation speed
is slow (All problems occur at the same time)”
T5-6-36
Parts Related with A-11 Fan does not rotate
normallyT5-6-37
Parts Related with A-12 Fan does not rotate in
reverse when fan reverse rotation switch is
pressedT5-6-37
Parts Related with “F-1 All front attachment
actuator powers are weak”T5-6-37
Parts Related with “F-2 Front attachment drifts
remarkably”T5-6-38
Parts Related with “F-3 When boom raise or arm
roll-out is operated, boom or arm starts to
move after moving slightly down”T5-6-38
Parts Related with “F-4 Even if power digging
switch is pushed, power does not increase
Boom raise power is weak when performing
digging operation”T5-6-38
Parts Related with “F-5 Boom, arm, or bucket
single operation is not operated Boom, arm, or
bucket single operation speed is slow” T5-6-39
Parts Related with “F-6 Bucket roll-in speed is slow
or power is weak when performing digging
operation”T5-6-39
Parts Related with “F-7 When performing
combined operation, arm does not start to
move smoothly Arm starts to move slightly
slow when performing arm single operation
These troubles often occur when temperature
is low” T5-6-39
Parts Related with “F-8 When performing
combined operation, boom does not start to
move smoothly Boom starts to move slightly
slow when performing boom lower single
operation”T5-6-40
Parts Related with “F-9 Boom lower speed above
ground is faster than other actuators when
performing combined operation Machine
cannot be raised off the ground”T5-6-40
Parts Related with “F-10 Arm roll-in speed is slow
when performing combined operation of arm
roll-in and bucket roll-in” T5-6-40
Parts Related with “F-11 Arm roll-in speed is fast
when performing arm level crowding
operation Arm power is weak when
performing digging operation”T5-6-41
Parts Related with “F-12 Boom raise speed is slow
when performing combined operation of
swing and boom raise Arm roll-out speed is
slow when performing combined operation of
swing and arm roll-out”T5-6-41
Parts Related with “F-25 Machine is raised off the
ground even when boom mode selector
switch is pressed”T5-6-41
Parts Related with “S-1 Swing speed is slow or is
not operated” T5-6-42
Parts Related with “S-2 When starting swing
operation, swing speed is fast” T5-6-42
Parts Related with “S-3 Swing speed is slow when
performing combined operation of swing and
arm roll-in”T5-6-43
Parts Related with “T-1 Both of right and left
travels are not operated or travel speed is
slow” T5-6-43
Parts Related with “T-2 One side travel is not
operated or travel speed is slow Machine
mistracks”T5-6-43
Parts Related with “T-3 Machine mistracks when
performing combined operation of travel and
front attachment” T5-6-43
Parts Related with “T-4 Fast travel can not be
selected Travel mode does not change from
slow speed mode to fast speed mode”T5-6-44
Parts Related with “O-1 Work light does not light”
T5-6-44
Parts Related with “O-2 Cab light does not light”
T5-6-44
Parts Related with “O-3 Wiper is not operated” T5-6-45
Parts Related with “O-4 Washer is not operated”
T5-6-45
Parts Related with “O-5 Boom light does not
light” T5-6-45
Parts Related with “O-6 Camera image does not
change when aerial angle switch is pressed” T5-6-45
Parts Related with “O-7 Auto-lubrication does not
activate when auto-lubrication switch is turned
ON”T5-6-46
Parts Related with “O-8 Auto-lubrication does not
stop when lubrication time is exceeded Autolubrication
does not stop when autolubrication
switch is turned OFF” T5-6-46
Parts Related with “O-9 Auto-lubrication device
stops, and auto-lubrication alarm is displayed”
T5-6-46
E-1 Starter does not rotate T5-6-46
E-2 Even if starter rotates, engine does not start
T5-6-48
E-3 Even if power mode switch is operated, power
mode is not shiftedT5-6-48
E-4 ECO, PWR mode is faultyT5-6-49
E-5 Even if travel lever is single operation with
ECO or PWR mode, engine speed does not
increase T5-6-49
E-6 Auto-idle system is faulty T5-6-50
E-9 Auto shut-down is not activated T5-6-50
E-12 Engine speed does not decrease when audio
mute/one-touch idle switch is pushed T5-6-51
A-1 All actuators do not workT5-6-52
A-2 All actuator speeds are slow T5-6-53
A-3 Actuator does not stop even if control lever is
set to neutral T5-6-54
A-4 Auto or manual regeneration of
aftertreatment device cannot be performed
T5-6-54
A-5 Travel (right) operation speed is slow when
performing travel single operation Bucket
single operation speed is slow (All problems
occur at the same time) T5-6-55
A-6 Travel (left) operation speed is slow when
performing travel single operation
Attachment single operation speed is slow (All
problems occur at the same time) T5-6-56
A-11 Fan does not rotate normallyT5-6-56
A-12 Fan does not rotate in reverse when fan
reverse switch is pressed T5-6-56
F-1 All front attachment actuator powers are
weakT5-6-57
F-2 Front attachment drifts remarkablyT5-6-57
F-3 When boom raise or arm roll-out is operated,
boom or arm starts to move after moving
slightly down T5-6-58
F-4 Even if power digging switch is pushed,
power does not increase Boom raise power is
weak when performing digging operation T5-6-59
F-5 Boom, arm, or bucket single operation is not
operated Boom, arm, or bucket single
operation speed is slow T5-6-59
F-6 Bucket roll-in speed is slow or power is weak
when performing digging operationT5-6-60
F-7 When performing combined operation, arm
does not start to move smoothly Arm starts to
move slightly slow when performing arm
single operation These troubles often occur
when temperature is lowT5-6-60
F-8 When performing combined operation, boom
does not start to move smoothly Boom starts
to move slightly slow when performing boom
lower single operation T5-6-61
F-9 Boom lower speed above ground is faster
than other actuators when performing
combined operation Machine cannot be
raised off the ground T5-6-61
F-10 Arm roll-in speed is slow when performing
combined operation of arm roll-in and bucket
roll-inT5-6-62
F-11 Arm roll-in speed is fast when performing
arm level crowding operation Arm power is
weak when performing digging operation T5-6-62
F-12 Boom raise speed is slow when performing
combined operation of swing and boom raise
Arm roll-out speed is slow when performing
combined operation of swing and arm roll-out
T5-6-63
F-25 Machine is raised off ground even when
boom mode selector switch is pressedT5-6-63
S-1 Swing speed is slow or is not operatedT5-6-63
S-2 When starting swing operation, swing speed
is fast T5-6-64
S-3 Swing speed is slow when performing
combined operation of swing and arm roll-in
T5-6-65
T-1 Both of right and left travels are not operated
or travel speed is slowT5-6-66
T-2 One side travel is not operated or travel speed
is slow Machine mistracks T5-6-66
T-3 Machine mistracks when performing
combined operation of travel and front
attachment T5-6-67
T-4 Fast travel can not be selected Travel mode
does not change from slow speed mode to fast
speed modeT5-6-68
O-1 Work light does not light T5-6-68
O-2 Cab light does not lightT5-6-69
O-3 Wiper is not operated T5-6-69
O-4 Washer is not operated T5-6-70
O-5 Boom light does not light T5-6-71
O-6 Camera image does not change when aerial
angle switch is pressedT5-6-71
O-7 Auto-lubrication does not activate when
auto-lubrication switch is turned ONT5-6-72
O-8 Auto-lubrication does not stop when
lubrication time is exceeded Auto-lubrication
does not stop when auto-lubrication switch is
turned OFF T5-6-73
O-9 Auto-lubrication device stops, and autolubrication
alarm is displayedT5-6-73
Exchange Inspection T5-6-74
How to Lower Boom in Case of Emergency and
When Engine Stops without Hose Rupture
ValveT5-6-77
Air Conditioner T5-7-1
Outline of Air Conditioner T5-7-1
Component Layout of Air Conditioner T5-7-2
Functions of Main Electrical Parts T5-7-4
Troubleshooting of Air Conditioner T5-7-7
Monitor Controller (Monitor) Fault Code 13911-3
T5-7-8
Monitor Controller (Monitor) Fault Code 13912-4
T5-7-8
Monitor Controller (Monitor) Fault Code 13913-3
T5-7-9
Monitor Controller (Monitor) Fault Code 13914-4
T5-7-10
Monitor Controller (Monitor) Fault Code 13917-3
T5-7-10
Monitor Controller (Monitor) Fault Code 13918-4
T5-7-11
Monitor Controller (Monitor) Fault Code 13921-3
T5-7-11
Monitor Controller (Monitor) Fault Code 13922-4
T5-7-12
Monitor Controller (Monitor) Fault Code 13943-2
T5-7-12
Monitor Controller (Monitor) Fault Code 13944-2
T5-7-13
Monitor Controller (Monitor) Fault Code 13951-2
T5-7-14
Monitor Controller (Monitor) Fault Code 13991-2
T5-7-14
Monitor Controller (Monitor) Fault Code 13992-2
T5-7-15
Faulty Cooling (1)T5-7-16
Faulty Cooling (2)T5-7-17
Faulty Cooling (3)T5-7-18
Faulty Cooling (4)T5-7-20
Faulty Cooling (5)T5-7-22
Faulty Heating (1)T5-7-23
Faulty Heating (2)T5-7-25
Others T5-7-26
Blower motor does not operate T5-7-28
Compressor clutch does not operate T5-7-29
Cooling Circuit Check by Using Manifold Gauge
T5-7-30
Work after Replacing Components T5-7-33
Refill compressor oilT5-7-33
Necessity of PurgingT5-7-34
Procedures for Charging Air Conditioner with
Refrigerant T5-7-34
Warm-Up Operation T5-7-40
Hose and Pipe Tightening Torque T5-7-42

S.M 31/1/25