Product Manual B

6 Troubleshooting

6.1 Avoiding Generator Set Shutdowns

By regularly performing the following periodic maintenance and guidelines, you will

greatly reduce the chances of a generator set shutdown:

• Maintain an appropriate oil level.

• Keep battery connections clean and tight.

• Do not overload the generator set.

• Keep the air inlet and outlet openings clear.

Refer to the Maintenance section for more information.

6.2 Fault Code Introduction

Fault code information, together with warning and shutdown information, is provided

in this section to assist in locating and identifying the possible causes of faults in the

generator set system.

Refer also to the engine-specific operator manual, if it exists. The engine operator

manual contains additional information regarding the running and care of the

generator set as well as specific equipment instructions that may differ from the

standard generator set.

For any fault codes that occur but are not listed, contact your Cummins service

representative.

6.3 Engine Is Difficult to Start or Does Not Start

Possible Causes:

1. Battery voltage problem(s)

2. Fuel system issue(s)

3. Air intake restriction above specification

Diagnosis and Repair:

1. Battery voltage problem(s)

a. If battery voltage is low, interrupted, or open, check:

• Battery connections

• Unswitched battery supply circuit

• Fuses

2. Fuel system issue(s)

a. Verify that the manual fuel shutoff valve is open.