Komatsu PC5500-6 Operation & Maintenance Manual page 169

Hydraulic mining shovel
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OPERATION
Fault and Information Message List
GROUP 1
Fault Message Texts of message pages No. 500 - 739
Fault No. 500:
(503) *1)
Help:
Fault No. 506:
(509)
Help:
Fault No. 512:
(515)
Help:
Fault No. 518:
(521)
Help:
Fault No. 524:
(527)
Help:
Fault No. 530:
(533)
Help:
*1) Numbers in brackets are the message page numbers of
the second language.
3.4 ELECTRONIC MONITORING AND CONTROL SYSTEM ECS
$h:
Start blocked through main Shut-Off (gate)
valve
Limit switch S31 not closed.
- Check for broken cables to switch S31.
$h:
Start of engine 1 blocked by high pressure filter 1
Differential pressure switch B5-1 not closed.
- Check cables to differential pressure switch B5-1.
$h:
$h:
High pressure filter 1 restricted. Stop the engine 1
Action required No Shutdown
Differential pressure switch B5-1 not closed
- Clean or replace filter element.
- Check pump
$h:
169

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