Komatsu 80001 User Manual

SEN04123-01 40 Troubleshooting
44 PC130-8
E-22 Travel alarm does not sound or does not stop sounding 1
Circuit diagram related
Trouble
• Alarm does not sound during travel.
• Alarm does not stop sounding while machine is stopped.
Related
information
Possible causes
and standard
value in normal
state
Cause Standard value in normal state/Remarks on troubleshooting
1
Disconnection in wiring har-
ness (Disconnection in wiring
or defective contact in con-
nector)
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)
Resis-
tance
Max. 1 z
Wiring harness between CP02 (female)
(115) (117) (120) – M14 (female) (2)
Resis-
tance
Max. 1 z
2
Ground fault in wiring har-
ness (Short circuit with GND
circuit)
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
Resis-
tance
Min. 1 Mz
3
Defective travel alarm (Inter-
nal defect)
If causes 1, 2 are not detected, travel alarm is defective.

Komatsu 80001 Specifications

General

Brand	Komatsu
Model	80001
Category	Excavators
Language	English