Komatsu PC5500-6 Operation & Maintenance Manual page 176

Hydraulic mining shovel
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3.4 ELECTRONIC MONITORING AND CONTROL SYSTEM ECS
Fault No. 782:
(785)
Help:
Fault No. 788:
(791)
Help:
Fault No. 794:
(797)
Help:
Fault No. 800:
(803)
Help:
Fault No. 806:
(809)
Help:
Fault No. 812:
(815)
Help:
Fault No. 818:
(821)
Help:
176
$h:
Shutdown through emergency stop switch S33B
Emergency stop switch S33B at control valves actuated.
- Find cause
$h:
Shutdown through emergency stop switch S33D.
Emergency stop switch S33D at counterweight actuated.
- Find cause
$h:
Coolant temperature of engine 1 too high.
Main pumps shifted to half power
Message through sensor B14-1
The engine operates with reduced load for a cooling down
period.
$h:
Faulty pressure switch for gear oil filter of
PTO gear 1
Closed contact of pressure switch B27-1 for PTO-gear
lubrication filter 1 with switched off engine.
- Check pressure switch and cables.
$h:
Faulty pressure switch for pump regulation oil filter
Closed contact of pressure switch B22 for pump regulation
filter with switched off Engine.
- Check pressure switch and cables.
$h:
Faulty pressure switch for oil tank breather filter
Closed contact of pressure switch B24 for oil tank breather
filter with switched off Engine.
- Check pressure switch and cables.
$h:
Faulty pressure switch for return oil filter
Closed contact of pressure switch B26 for return oil filter
with switched off Engine.
- Check pressure switch and cables.
OPERATION

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