OVER CRANK FAULT
UnclassifiedSpeed
What This Code Means
Generator set fails to start; Cranking stops in approximately 30 seconds; Status indicator blinks; Generator set shuts down; Line circuit breakers trip
Possible Causes
- •Starter motor overheating due to excessive cranking attempts
- •Sum of electrical loads exceeds the generator set power rating
Suggested Actions
- 1Wait 5 seconds for the control to reset before trying to start again
- 2Allow the starter motor to cool down for 30 seconds after every fifth crank
- 3Refer to Chapter 6 on page 47 if the generator set does not start after several tries
- 4Run fewer appliances at the same time to ensure the sum of the loads is not greater than the generator set power rating
Related Cummins Fault Codes
ASK RUDY ABOUT THIS FAULT
Get a diagnosis walkthrough for OVER CRANK FAULT on your specific Cummins unit — cited to the OEM manual, not a forum guess.
TRY IT FREE