Failure Code [989M00] Engine Controller Lock Caution 2 - Komatsu PC88MR-10 Shop Manual

Failure code [989M00] Engine Controller Lock Caution 2

Action level Failure code
989M00
Detail of
Engine controller lock up is detected (Factor 2).
failure
Action of
None in particular
machine
If cause of failure disappears, machine becomes normal by itself.
monitor
Problem on
Engine cannot be started.
machine
If this failure code is generated after machine monitor is replaced, user password must be
Related
changed to the password which had been set before replacement.
information
Method of reproducing failure code: Turn starting switch to ON position.
No. Cause
Replacement of machine
1
monitor
2 Defective machine monitor
PC88MR-10
Engine Controller Lock Caution 2
Failure
(Machine monitor system)
Procedure, measuring location, criteria and remarks
This problem may be caused by replacement of machine monitor.
If this failure code is displayed while machine monitor is not replaced,
machine monitor may be defective. (Since this is an internal defect,
troubleshooting cannot be performed.)
40 Troubleshooting
Troubleshooting by failure code (Display of code)
(PC88MR-989M00-400-A-Z0-A)
40-119