Contents Of Display By Machine Monitor Are Different From Applicable Machine; Machine Monitor Does Not Display Some Items; Function Switch Does Not Work - Komatsu PC130-8 Shop Manual

40 Troubleshooting
E-12 Contents of display by machine monitor are different from
applicable machine
Trouble

Contents of display by machine monitor are different from applicable machine.

Related
information
Possible causes
and standard 1 Defective model code signal
value in normal
state
2 Defective machine monitor
E-13 Machine monitor does not display some items
Trouble

• Machine monitor does not display some items.

• The LCD panel sometimes has black points (points which are not lighted) and bright points (points
Related
which do not go off) for the reason of its characteristics. If the number of the bright points and black
information
points does not exceed 10, those points are not a failure or a defect.
Possible causes
Defective machine monitor
and standard 1
(LCD panel)
value in normal
state
Defective machine monitor
2
(body)
E-14 Function switch does not work
Trouble

• Function switch does not work.

Related • Condition of signal of function switch can be checked with monitoring function.
information (Code: 04503 Monitor function switch)
Possible causes
and standard
value in normal
1 Defective machine monitor
state
PC130-8
Cause Standard value in normal state/Remarks on troubleshooting
a Turn starting switch ON and carry out troubleshooting (with
monitoring function).
00200 Controller model code
If cause 1 is not detected, machine monitor may be defective.
(Since trouble is in system, troubleshooting cannot be carried out.)
Cause Standard value in normal state/Remarks on troubleshooting
a Turn starting switch ON and carry out troubleshooting.
When following switches are operated, if all LCD panel is lighted
up (all surface becomes white), LCD panel is normal.
• Operation of switches: [4] + [F2] (Press simultaneously)
If cause 1 is not detected, machine monitor may be defective.
(Since trouble is in system, troubleshooting cannot be carried out.)
Cause Standard value in normal state/Remarks on troubleshooting
Machine monitor may be defective.
(Since trouble is in system, troubleshooting cannot be carried out.)
Monitoring code
SEN04123-01
1
Normal display
PC120-a
1
1
31