Failure Code [989N00] Engine Controller Lock Caution 3 - Komatsu Galeo PC138US-8 Shop Manual

SEN02463-01

Failure code [989N00] Engine controller lock caution 3

User code Failure code
—
Contents of
• Engine controller lock is detected (Factor 3).
trouble
Action of • Tries automatic resetting.
machine monitor • If cause of failure disappears, system resets itself.
Problem that
appears on
machine
Related • Method of reproducing failure code: Failure code is not reproduced since system is reset automati-
information cally.
Possible causes
and standard
value in normal
1 Defective engine controller
state
4
Trouble
989N00
Cause
Engine controller lock caution 3
(Machine monitor system)
Standard value in normal state/Remarks on troubleshooting
If this failure code is displayed repeatedly, engine controller may be
defective. (Since trouble is in system, troubleshooting cannot be
carried out.)
40 Troubleshooting
1
PC138US, USLC-8