Book: 23227143 (8-24-2010) Rev CPage44
COMPRESSOR CODE 29
Engine SHUTDOWN: Reason Unknown
Troubleshooting Steps
Action Result
Step 1:
Check fuse F2.
Replace fuses as needed
Step 2:
Check engine fuel system for restrictions.
Dirty fuel filters
Clogged Hoses
Air in fuel system
Step 3:
Verify battery + and – connections to the engine
ECM.
Repair harness as needed
Step 4:
Verify KEYSWITCH signal (24 VDC) connection
from WEDGE to engine ECM.
Step 5:
Retrieve active and inactive engine ECM fault codes
via engine manufacturer’s service tool.
Explanation:
The engine has shut down and the WEDGE did not detect a fault code from the
engine ECM.
Effect:
Code 29 is a SHUTDOWN condition and will stop the machine. The Compressor
Malfunction light will be on solid, and Code 29 will be displayed.
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