7-Segment Led's Of Monitor Panel Does Not Light Up Partially; Monitor Lamp Of Monitor Panel Is Different From Mounted Model - Komatsu PC130-7 Shop Manual

TROUBLESHOOTING
E-11 7-segment LED's of monitor panel does not light up partially
• 7-segment LED's of monitor panel does
Trouble
not light up partially.
Related
information
Possible causes
and standard
value in normal
1 Defective monitor panel
state
E-12 Monitor lamp of monitor panel is different from mounted model
• Monitor lamp of monitor panel is different
Trouble
from mounted model
Related
information
Possible causes
Defective model code
1
and standard
signal
value in normal
state
2 Defective monitor panel
20-422
(1)
Cause Standard value in normal state/Remarks on troubleshooting
Troubleshooting cannot be carried out since the defect is in the monitor
panel (The LCD that does not light up may be defective).
Cause Standard value in normal state/Remarks on troubleshooting
aTurn starting switch ON and carry out troubleshooting (monitoring).
Monitoring code
If the display on the monitor panel is abnormal, carry out troubleshooting
for error code [217].
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).
When the starting switch is turned ON, 7-segment LED's of
monitor panel does not light up partially.
When the starting switch is turned ON, the monitor panel
which lights up totally is different from the mounted model.
Item
Monitor panel
001
model code
E-11, E-12
Normal display
130
PC130-7