Komatsu 80001 User Manual

40 Troubleshooting SEN04119-01
PC130-8
3
Failure code [989L00] Engine controller lock caution 1 1
Failure code [989M00] Engine controller lock caution 2 1
User code Failure code
Trouble
Engine controller lock caution 1
(Machine monitor system)
— 989L00
Contents of
trouble
• Engine controller lock is detected (Factor 1).
Action of
machine monitor
• None in particular.
• If cause of failure disappears, system resets itself.
Problem that
appears on
machine
• Engine cannot be started.
Related
information
• If this failure code is displayed after machine monitor is replaced, user password must be changed
to one before replacement.
• Method of reproducing failure code: Turn starting switch ON.
Possible causes
and standard
value in normal
state
Cause Standard value in normal state/Remarks on troubleshooting
1
Replacement of machine
monitor
This trouble may be caused by replacement of machine monitor.
User code Failure code
Trouble
Engine controller lock caution 2
(Machine monitor system)
— 989M00
Contents of
trouble
• Engine controller lock is detected (Factor 2).
Action of
machine monitor
• None in particular.
• If cause of failure disappears, system resets itself.
Problem that
appears on
machine
• Engine cannot be started.
Related
information
• If this failure code is displayed after machine monitor is replaced, user password must be changed
to one before replacement.
• Method of reproducing failure code: Turn starting switch ON.
Possible causes
and standard
value in normal
state
Cause Standard value in normal state/Remarks on troubleshooting
1
Replacement of machine
monitor
This trouble may be caused by replacement of machine monitor.
2 Defective machine monitor
If this failure code is displayed while machine monitor is not
replaced, machine monitor may be defective. (Since trouble is in
system, troubleshooting cannot be carried out.)

Komatsu 80001 Specifications

General

Brand	Komatsu
Model	80001
Category	Excavators
Language	English