4 PC800, 850-8
SEN00791-02 40 Troubleshooting
Failure code [CA449] Rail Press Very High Error
Action code Failure code
Trouble
Rail Press Very High Error
(Engine controller system)
E11 CA449
Contents of
trouble
• There is high pressure error (level 2) in common rail pressure sensor circuit.
Action of
controller
• Limits output and continues operation (limits common rail pressure).
Problem that
appears on
machine
• Engine output lowers.
Related
information
• Common rail pressure can be checked with monitoring function
(Code No. 36400: Common rail pressure).
Possible causes
and standard
value in normal
state
Cause Standard value in normal state/Remarks on troubleshooting
Carry out troubleshooting for failure code [CA2249].
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