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OPERATION
Problem
Abnormal noise generated (combus-
tion or mechanical)
Electronic Control System
When the user code is shown on the display portion of the
machine monitor, take the respective measures shown in the
self-diagnosis chart below.
Machine Monitoring System
Monitor
Failure mode
display
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,
E15
fuel pressure, oil pressure) system error
E0E
Network error
(*): For details of handling the emergency pump drive switch and swing brake cancel switch, see "Emergency
Pump Drive Switch (3-73)" and "Swing Parking Brake Release Switch (3-74)".
Main causes
•Low-grade fuel being used
•Overheating
•Damage inside muffler
•Excessive valve clearance
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 inspec-
tion carried out immediately.(*)
Have inspection carried out immediately.
Operate machine to a safe posture and have inspection car-
ried out immediately.
Operate machine to a safe posture and have inspection car-
ried out immediately.
Operations are possible, but have inspection carried out
immediately.
Operate machine to a safe posture and have inspection car-
ried out immediately.
TROUBLES AND ACTIONS
Remedy
•Change to specified fuel
•Refer to "Radiator coolant level
monitor lights up" as above
(•Replace muffler)
(•Adjust valve clearance)
Action
3
3-199
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