Failure Code [Ca442] Battery Voltage High Error - Komatsu PC200-8M0 Shop Manual

SEN06134-00

Failure code [CA442] Battery Voltage High Error

Action
Failure code
level
L04 CA442
q
Detail of failure High voltage (36 V or higher) appears in controller power supply circuit.
Action of con-
q
None in particular
troller
q
Problem on Engine continues to run normally, but it may stop during running or may not be able to start if it is
machine stopped.
q Method of reproducing failure code: Turn starting switch to ON position.
Related infor-
q
Power supply voltage to engine controller can be checked with monitoring function.
mation
(Code: 03203 (V))
Cause
30
40-302
Battery Voltage High Error
Failure
(Engine controller system)
Procedure, measuring location, criteria and remarks
Perform troubleshooting for failure code [CA441].
302 Troubleshooting by failure code, Part 2

Failure code [CA442] Battery Voltage High Error

PC200, 200LC, 220, 220LC-8M0