Komatsu PC5500-6 Operation & Maintenance Manual page 175

Hydraulic mining shovel
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OPERATION
GROUP 2
Fault Message Texts of message pages No. 740 - 1309 will be
stored
Fault No. 740:
(743)
Help:
Fault No. 746:
(749)
Help:
Fault No. 752:
(755)
Help:
Fault No. 758:
(761)
Help:
Fault No. 764
(767)
Help:
Fault No. 770:
(773)
Help:
Fault No. 776:
(779)
Help:
3.4 ELECTRONIC MONITORING AND CONTROL SYSTEM ECS
$h:
Faulty pressure switch for strainer oil cooler
Closed contact of pressure switch B165 for return oil
strainer with switched off engine.
- Check pressure switch and cables.
$h:
Strainer oil cooler restricted
Replace strainer.
$h:
Faulty monitor channel for pump #1/6 pressure
Pressure pick up B87A for the pump #1/6 pressure shows
inadmissible values.
- Check sensor and cables.
$h:
Faulty monitor channel for pump #2/5 pressure
Pressure pick up B87B for the pump #2/5 pressure shows
inadmissible values.
- Check sensor and cables.
$h:
Faulty monitor channel for pump #3 pressure
Pressure pick up B87C for the pump #3 pressure shows
inadmissible values.
- Check sensor and cables.
$h:
Faulty monitor channel for pump #4 pressure
Pressure pick up B87D for the pump #4 pressure shows
inadmissible values.
- Check sensor and cables.
$h:
Shutdown through emergency stop switch S33A
Emergency stop switch S33A at radiator door actuated.
- Find cause
175

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