CCU-311 Closing Hood

Condition:
If any of the hood motors overload when closing, i.e. takes too much voltage, the diagnostic trouble code CCU-311 is displayed.

Possible Source:
- Short circuit to voltage supply in the signal wire.
- There is no microswitch signal.
- Short circuit to microswitch signal voltage supply.

Fault Symptom(s):
Hood control does not operate.