Komatsu PC130-7, Руководство по ремонту

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20-422
PC130-7
TROUBLESHOOTING
E-11 7-segment LED's of monitor panel does not light up partially
E-12 Monitor lamp of monitor panel is different from mounted model
Trouble
• 7-segment LED's of monitor panel does
not light up partially.
When the starting switch is turned ON, 7-segment LED's of
monitor panel does not light up partially.
Related
information
Possible causes
and standard
value in normal
state Cause Standard value in normal state/Remarks on troubleshooting
1 Defective monitor panel
Troubleshooting cannot be carried out since the defect is in the monitor
panel (The LCD that does not light up may be defective).
Trouble
• Monitor lamp of monitor panel is different
from mounted model
When the starting switch is turned ON, the monitor panel
which lights up totally is different from the mounted model.
Related
information
Possible causes
and standard
value in normal
state
Cause Standard value in normal state/Remarks on troubleshooting
1
Defective model code
signal
a
Turn starting switch ON and carry out troubleshooting (monitoring).
Monitoring code Item Normal display
001
Monitor panel
model code
130
If the display on the monitor panel is abnormal, carry out troubleshooting
for error code [217].
2 Defective monitor panel
Troubleshooting cannot be carried out since the defect is in the monitor
panel (If none of the above causes is the cause of the trouble, the moni-
tor panel is defective).
E-11, E-12
(1)