TROUBLESHOOTING
11-8
Engine Speed
Problem
Cause
Solution
Even if operating the engine control
dial, the engine speed does not change
Blown fuse
Replace
Faulty engine control dial
* Replace
Poor contact in connector
* Repair or replace
Damaged wire harness (between EC dial and
MC, or MC and ECM)
* Repair
Faulty controller (MC, ECM)
* Replace
Performing manual regeneration
(Normal control)
Work mode does not change
Faulty mode switch
* Replace
Poor contact in connector
* Repair or replace
Damaged wire harness (between MC and
monitor)
* Repair
Faulty controller (MC)
* Replace
Faulty solenoid valve
* Repair or replace
Auto-idle is inoperable or not released Faulty pressure sensor
* Replace
Poor contact in connector
* Repair or replace
Damaged wire harness
* Repair
Faulty controller
* Replace
Performing manual regeneration
(Normal control)
Items with * mark: Consult your nearest Hitachi dealer.
Pump Control
Problem
Cause
Solution
Front attachment and/or travel speed
is slow
Blown control fuse
Replace
Poor contact in connector
* Repair or replace
Damaged wire harness
* Repair
Faulty controller
* Replace
Faulty pump solenoid valve
* Replace
Faulty pressure sensor
* Replace
Items with * mark: Consult your nearest Hitachi dealer.
Others
The machine may have a noise, excessive vibration, and abnormal smell when any trouble occurs.
Always beware of the machine conditions during operation.
Содержание 090001
Страница 4: ......
Страница 9: ...CONTENTS Bucket Teeth Transverse Type Pin Used Type 13 18 INDEX 14 1 ...
Страница 10: ...CONTENTS MEMO ...
Страница 14: ...MACHINE NUMBERS 4 MEMO ...
Страница 64: ...MEMO SAFETY SIGNS S 50 ...
Страница 198: ...OPERATOR S STATION 1 134 MEMO ...
Страница 200: ...BREAK IN 2 2 MEMO ...
Страница 212: ...OPERATING THE ENGINE 3 12 MEMO ...
Страница 266: ...OPERATING THE MACHINE 5 46 MEMO ...
Страница 392: ...MAINTENANCE 7 118 13 Cab mounting nut 14 Cover mounting bolt M1U1 07 026 MDCN 07 073 Anchor Bolts MDCN 07 022 ...
Страница 398: ...MAINTENANCE 7 124 MEMO ...
Страница 399: ...8 1 HYDRAULIC CIRCUIT AND ELECTRICAL CIRCUIT Hydraulic Circuit MDAA 08 001 ...
Страница 402: ...MAINTENANCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS 9 2 MEMO ...
Страница 404: ...STORAGE 10 2 MEMO ...