Product Manual

6. Troubleshooting8-2019
91A062J680 (Issue 2) Copyright © 2019 Cummins Inc.
Code 35 - Control Card Failure
Possible Cause: Faulty program
Corrective Action:
1. Have the unit serviced by an authorized Cummins dealer.
Code 36 - Generator Set Stopped without Fault Condition
Possible Causes:
Air fuel mixture
Alternator windings
Carburetor
Demand regulator
Exhaust system
Fuel supply
Ignition
Wire connections
Diagnosis and Repair:
1. Check the fuel source.
2. Open any closed fuel valves.
3. Secure spark plug leads to spark plugs.
4. Check and service air filter as necessary.
5. Check for mechanical damage.
6. Have the unit serviced by an authorized Cummins dealer.
Code 37 - Invalid Set Configuration
Possible Causes:
Control
Generator set configuration
Diagnosis & Repair:
1. Have the unit serviced by an authorized Cummins dealer.
Code 43 - Processor Fault
Possible Cause: Faulty program
Corrective Action:
1. Have the unit serviced by an authorized Cummins dealer.