Failure Code [989M00] Engine Controller Lock Caution2 - Komatsu PC200-8M0 Shop Manual

SEN06133-00

Failure code [989M00] Engine Controller Lock Caution2

Action
Failure code
level
– 989M00
Detail of
q
Engine controller lock up is detected (Factor 2).
failure
q
Action of None in particular
q
controller If cause of failure disappears, machine becomes normal by itself.
Problem on
q
Engine cannot be started.
machine
q
If this failure code is generated after machine monitor is replaced, user password must be changed
Related
to one before replacement.
information
q
Method of reproducing failure code: Turn starting switch to ON position.
Cause
1 Replacement of machine monitor This problem may be caused by replacement of machine monitor.
2 Defective machine monitor
6
40-301

Failure code [989M00] Engine Controller Lock Caution2

Engine controller lock caution2
Failure
(Machine monitor system)
Procedure, measuring location, criteria and remarks
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.)
301 Troubleshooting by failure code, Part 1
PC200, 200LC, 220, 220LC-8M0