Komatsu PC130-8 User Manual

40 Troubleshooting SEN04120-03
PC130-8
5
Possible causes
and standard
value in normal
state
Cause Standard value in normal state/Remarks on troubleshooting
5
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 CE02 (female) (55)
– R23 (1) and chassis ground
Resis-
tance
Min. 1 Mz
Wiring harness between CE02 (female) (55)
– R24 (1) and chassis ground
Resis-
tance
Min. 1 Mz
Wiring harness between CE02 (female) (32)
– R23 (2) and chassis ground
Resis-
tance
Min. 1 Mz
Wiring harness between CE02 (female) (32)
– R24 (2) and chassis ground
Resis-
tance
Min. 1 Mz
Wiring harness between CE03 (female) (3)
– R23 (5) and chassis ground
Resis-
tance
Min. 1 Mz
Wiring harness between CE03 (female) (3)
– R24 (5) and chassis ground
Resis-
tance
Min. 1 Mz
Wiring harness between R23 (female) (3) –
battery (+) and chassis ground
Resis-
tance
Min. 1 Mz
Wiring harness between R24 (female) (3) –
battery (+) and chassis ground
Resis-
tance
Min. 1 Mz
6 Defective engine controller
a Prepare with starting switch OFF, turn starting switch ON and
carry out troubleshooting.
CE03 Voltage
Between (3) – (1) 20 – 30 V

Komatsu PC130-8 Specifications

General

Brand	Komatsu
Model	PC130-8
Category	Excavators
Language	English