Failure Code [989N00] Engine Controller Lock Caution 3 - Komatsu ecot3 PC300LC-8 Shop Manual

SEN02629-03

Failure code [989N00] Engine Controller Lock Caution 3

User code Failure code
— 989N00
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 infor- • Method of reproducing failure code: Failure code is not reproduced since system is reset automati-
mation cally.
Possible causes
and standard
value in normal
1 Defective engine controller
state
4
Engine controller lock caution 3
Trouble
(Machine monitor system)
Cause 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
PC300, 350-8