Part Of Display On Machine Monitor Is Missing; Machine Monitor Displays Contents Irrelevant To The Model - Komatsu Galeo PC800-8 Shop Manual

40 Troubleshooting
E-9 Part of display on machine monitor is missing
Failure

• Part of display on machine monitor is missing

phenomenon
Relative
information
Possible causes
1 Machine monitor LCD fault
and standard
value in normal
state
2 Defective machine monitor
E-10 Machine monitor displays contents irrelevant to the model
Failure

• Machine monitor displays contents irrelevant to the model.

information
Relative
information
Possible causes Model code signal fault
1
and standard (Internal failure)
value in normal
state
2 Defective machine monitor
PC800, 850-8
Cause Standard value in normalcy and references for troubleshooting
aTurn the starting switch ON during the troubleshooting.
If all the LCD (Liquid Crystal Display) in the machine monitor light up
(i.e. the screen becomes totally white) by the following switching opera-
tion, then the machine monitor is normal.
• Switching operation: [
If cause 1 is not detected, the machine monitor may be defective. (Since
trouble is in the machine monitor, troubleshooting cannot be carried
out.)
Cause Standard value in normalcy and references for troubleshooting
aTurn the starting switch in ON during the troubleshooting (monitoring).
Monitoring code
If the display on the machine monitor is normal, troubleshoot failure
If cause 1 is not detected, the machine monitor may be defective. (Since
trouble is in the machine monitor, troubleshooting cannot be carried
out.)
Part of display on machine monitor is missing during
starting switch in ON.
] + [ P ] (push switches simultaneously.)
Item
00200 Controller model code
code [E-8].
SEN00793-02
Normal display
PC800
25