Maeda CC1908S-1 - Page 313

M A E D A Crawler Crane 6.20 TROUBLESHOOTING
5/2020 CC1908S-1 6-105
ELECTRICAL PARTS
Abnormal phenomenon Main causes Corrective action
Monitor charge warning remains
illuminated even when the engine
is running.
Defective alternator
Replace (★)
Defective wiring
Inspect/repair (★)
Fan belt looseness/damage
Refer to "6.17.5
MAINTENANCE EVERY 250
HOURS" on P. 6-54 and adjust
the tension or replace (★).
Abnormal noise from alternator Defective alternator
Replace (★)
Glow lamp does not illuminate.
Defective wiring
Inspect/repair (★)
Defective ECU output
Replace (★)
Defective lamp
Replace (★)
Travelling buzzer does not sound
when the travel lever is operated.
Defective wiring
Inspect/repair (★)
Defective travelling buzzer
Replace (★)
Camera image does not appear on
monitor.
Defective wiring
Inspect/repair (★)
Defective camera
Replace (★)
Defective monitor
Replace (★)
Camera image appears but is
distorted or offset.
Defective camera calibration
Calibrate (★)
No monitor image.
Defective monitor signal
Turn starter switch to OFF and
then turn back to ON again.
Defective wiring
Inspect/repair (★)
Blown fuse Replace
Defective monitor
Replace (★)
Monitor freezes.
Defective monitor signal
Turn starter switch to OFF and
then turn back to ON again.
Defective monitor
Replace (★)
Monitor does not turn off even
when starter switch is turned to
OFF.
Defective monitor signal
Turn disconnecting switch to
OFF to shut off power.
Defective wiring
Inspect/repair (★)
Defective monitor
Replace (★)
Radio does not work.
Defective radio
Inspect/replace (★)
Defective wiring
Inspect/repair (★)
Blown fuse Replace
No sound from speaker.
Defective speaker
Inspect/replace (★)
Defective radio
Inspect/replace (★)
Defective wiring
Inspect/repair (★)
Blown fuse Replace
Radio does not pick up any
stations.
Defective antenna
Inspect/replace (★)
Poor radio reception
Move to a location with better
reception.