Failure Code [Ca441] Battery Voltage Low Error; Failure Code [Ca442] Battery Voltage High Error - Komatsu Galeo PC138US-8 Shop Manual

40 Troubleshooting

Failure code [CA441] Battery voltage low error

User code Failure code
E10
Contents of
• Low voltage was detected in controller power supply voltage circuit.
trouble
Action of
• None in particular.
controller
Problem that
appears on • Engine continues operation normally, but it may stop during operation or may not be able to start.
machine
Related
• Method of reproducing failure code: Turn starting switch ON.
information
Possible causes
and standard
value in normal
state

Failure code [CA442] Battery voltage high error

User code Failure code
E10
Contents of
• High voltage was detected in controller power supply voltage circuit.
trouble
Action of
• None in particular.
controller
Problem that
appears on • Engine continues operation normally, but it may stop during operation or may not be able to start.
machine
Related
• Method of reproducing failure code: Turn starting switch ON.
information
Possible causes
and standard
value in normal
state
PC138US, USLC-8
Trouble
CA441
Cause
Carry out troubleshooting for failure code [CA111].
Trouble
CA442
Cause
Carry out troubleshooting for failure code [CA111].
Battery voltage low error
(Engine controller system)
Standard value in normal state/Remarks on troubleshooting
Battery voltage high error
(Engine controller system)
Standard value in normal state/Remarks on troubleshooting
SEN02464-01
1
1
11