Komatsu Galeo PC138US-8 Shop Manual page 397

30 Testing and adjusting
a Remedies given by displayed user codes to operator to take (The following table is an excerpt from the
Operation and Maintenance Manual)
User code
E02 Pump control system error
E03 Swing brake system error
Engine controller power source error
E10 Engine controller drive system circuit error
(engine stopped)
Engine controller system error
E11
Output reduced to protect engine
E14 Abnormality in throttle system
Engine sensor (coolant temperature, fuel
E15
pressure, oil pressure) system error
E20 Abnormality in travel system
E0E Network error
PC138US, USLC-8
Failure mode
When emergency pump drive switch is at the up (emergency)
position, normal operations become possible, but have
inspection carried out immediately.
Move the swing brake cancel switch up to release the brake.
When applying the swing brake, operate the swing lock switch
manually. Depending on the cause of the problem, it may not
be possible to release it. In any case, have inspection carried
out immediately.
Have inspection carried out immediately.
Operate machine to a safe posture and have inspection carried
out immediately.
Operate machine to a safe posture and have inspection carried
out immediately.
Operations are possible, but have inspection carried out
immediately.
Operations are possible, but have inspection carried out
immediately.
Operate machine to a safe posture and have inspection carried
out immediately.
SEN02459-00
Action
15