Failure Code [Ca123] Charge Air Press Sensor Low Error - Komatsu PC130-8 Shop Manual

Hydraulic excavator
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SEN04119-01

Failure code [CA123] Charge air press sensor low error

User code
Failure code
E11
Contents of
• Low voltage was detected in charge (boost) pressure sensor circuit.
trouble
Action of
• Fixes charge pressure (400 kPa {4.08 kg/cm
controller
Problem that
appears on
• Acceleration performance of engine drops.
machine
• Signal voltage of charge (boost) pressure sensor can be checked with monitoring function.
Related
(Code: 36501 Boost pressure sensor voltage).
information
• Method of reproducing failure code: Turn starting switch ON.
Possible causes
and standard
value in normal
state
22
Trouble
CA123
Cause
Carry out troubleshooting for failure code [CA122].
Charge air press sensor low error
(Engine controller system)
2
}) and continues operation.
Standard value in normal state/Remarks on troubleshooting
40 Troubleshooting
1
PC130-8

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