Failure Code [989N00] Engine Controller Lock Caution 3 - Komatsu PC88MR-10 Shop Manual

40 Troubleshooting
Troubleshooting by failure code (Display of code)

Failure code [989N00] Engine Controller Lock Caution 3

Action level Failure code
989N00
Detail of
Engine controller lock up is detected (Factor 3).
failure
Action of
Tries automatic recovery.
machine
If cause of failure disappears, machine becomes normal by itself.
monitor
Problem on
machine
Method of reproducing failure code: Failure code cannot be reproduced since machine
Related
recovers when cause of failure disappears.
information
No. Cause
Defective engine controller
1
40-120
Engine Controller Lock Caution 3
Failure
(Machine monitor system)
Procedure, measuring location, criteria and remarks
If this failure code is generated repeatedly, engine controller may be
defective. (Since this is an internal defect, troubleshooting cannot be
performed.)
(PC88MR-989N00-400-A-Z0-A)
PC88MR-10