Komatsu 80001 - Failure Code [CA227] Sensor Sup. 2 Volt. High Error

40 Troubleshooting SEN04119-01
PC130-8
39
Failure code [CA227] Sensor sup. 2 volt. high error 1
Circuit diagram related
User code Failure code
Trouble
Sensor sup. 2 volt. high error
(Engine controller system)
E15 CA227
Contents of
trouble
• High voltage was detected in sensor power supply 2 (5 V) circuit.
Action of
controller
Problem that
appears on
machine
Related
information
• Method of reproducing failure code: Turn starting switch ON.
Possible causes
and standard
value in normal
state
Causes Standard value in normal state/Remarks on troubleshooting
1 Defective engine controller
a Prepare with starting switch OFF, then turn starting switch ON
and carry out troubleshooting.
CE02 Voltage
Between (26) – (22) 4.75 – 5.25V