Travel Alarm Does Not Sound Or Does Not Stop Sounding - Komatsu PC130-8 Shop Manual

SEN04123-01
E-22 Travel alarm does not sound or does not stop sounding
• Alarm does not sound during travel.
Trouble
• Alarm does not stop sounding while machine is stopped.
Related
information
Disconnection in wiring har-
ness (Disconnection in wiring
1
or defective contact in con-
nector)
Possible causes
and standard
value in normal
state
Ground fault in wiring har-
2 ness (Short circuit with GND
circuit)
Defective travel alarm (Inter-
3
nal defect)
Circuit diagram related
44
Cause Standard value in normal state/Remarks on troubleshooting
a Prepare with starting switch OFF, then carry out troubleshoot-
ing without turning starting switch ON.
Wiring harness between CP02 (female)
(107) – M14 (female) (1)
Wiring harness between CP02 (female)
(115) (117) (120) – M14 (female) (2)
a Prepare with starting switch OFF, then carry out troubleshoot-
ing without turning starting switch ON.
Wiring harness between CP02 (female)
(107) – M14 (female) (1) and chassis
ground
If causes 1, 2 are not detected, travel alarm is defective.
40 Troubleshooting
1
Resis-
Max. 1 z
tance
Resis-
Max. 1 z
tance
Resis-
Min. 1 Mz
tance
PC130-8