Failure Code [Ca1117] Engine Controller Partial Data Lost Error - Komatsu PC88MR-10 Shop Manual

Failure code [CA1117] Engine Controller Partial Data Lost Error

400-A-Z0-A)
Action level Failure code
L04 CA1117
Detail of
Internal defect occurred in controller.
failure
Action of
None in particular.
controller
Engine continues to run normally, but it may stop during running or may not be able to
Problem on
start if it is stopped.
machine
Engine controller cannot store internal data correctly.
Method of reproducing failure code: Turn starting switch to ON position.
Related
This error code is displayed when power supply is disconnected by battery disconnect
information
switch, etc. before engine controller is normally exited.
No. Cause
Defective power supply
1
circuit
Improper operation of
2 battery disconnect
switch
Defective engine
3
controller
PC88MR-10
Engine Controller Partial Data Lost Error
Failure
(Engine controller system)
Procedure, measuring location, criteria and remarks
Since the power supply circuit may be defective, carry out troubleshooting for
failure code [CA441].
Battery disconnect switch may have been operated improperly.
If no failure is found by above checks, engine controller is defective. (Since
this is an internal defect, troubleshooting cannot be performed.)
40 Troubleshooting
Troubleshooting by failure code (Display of code)
(PC88MR-CA1117-
40-209