Product Manual

85A062J680 (Issue 2) Copyright © 2019 Cummins Inc.
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 Troubleshooting With the Local Display
If a fault shutdown occurs the fault lamp on the local display will come on and the
LCD screen will display the description of the fault, the fault number, and the hour in
total generator set running time when the fault occurred.
The shutdown codes are listed below in numerical order along with step-by-step
corrective actions.
6.3 Troubleshooting by Symptom
Starting Battery Runs Down
Possible Cause: Marginal battery connections, battery, charging system, excessive
cranking
Corrective Actions:
1. Clean and tighten positive (+) and negative (-) battery cable connections at the
battery.
2. Recharge or replace battery. Refer to the battery manufacturer's
recommendations.
3. Have battery charger serviced by an authorized Cummins dealer.
Starter Engages - Disengages
Possible Causes: Cranking voltage dips below 8 VDC, battery connections, battery,
charging system, start/stop switches
Corrective Actions:
1. Clean and tighten positive (+) and negative (-) battery cable connections at the
battery.