Failure Code [989N00] Engine Controller Lock Caution3 - Komatsu PC200-8M0 Shop Manual

301 Troubleshooting by failure code, Part 1

Failure code [989N00] Engine Controller Lock Caution3

Failure code [989N00] Engine Controller Lock Caution3

Action
Failure code
level
– 989N00
q
Detail of failure Engine controller lock up is detected (Factor 3).
q
Action of con- Tries automatic recovery.
q
troller If cause of failure disappears, machine becomes normal by itself.
Problem on
machine
q
Related infor- Method of reproducing failure code: Failure code cannot be reproduced since machine recovers
mation when cause of failure disappears.
Cause
1 Defective engine controller
PC200, 200LC, 220, 220LC-8M0
Engine controller lock caution3
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.)
SEN06133-00
7
40-301