Machine Monitor Does Not Display Some Items; Function Switch Does Not Work - Komatsu PC210-8 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 infor-
mation
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 infor-
which do not go off) for the reason of its characteristics. If the number of the bright points and black
mation
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 infor-
• Condition of signal of function switch can be checked with monitoring function.
mation
(Code: 04503 Monitor function switch)
Possible causes
and standard
value in normal
1 Defective machine monitor
state
PC210, 230, 240-8
Cause
a Turn starting switch ON and carry out troubleshooting (with
00200 Controller model code
If display of monitoring is abnormal, carry out troubleshooting for
failure code [DA29KQ].
If cause 1 is not detected, machine monitor may be defective.
(Since trouble is in system, troubleshooting cannot be carried out.)
Cause
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
Machine monitor may be defective.
(Since trouble is in system, troubleshooting cannot be carried out.)
Standard value in normal state/Remarks on troubleshooting
monitoring function).
Monitoring code
Standard value in normal state/Remarks on troubleshooting
Standard value in normal state/Remarks on troubleshooting
UEN00244-02
1
Normal display
PC210-8: PC210
PC240-8: PC240
1
1
33