Product Manual B

ManualsBrandsCummins Power ManualsCommercial GeneratorsCummins QuietConnect Home Standby Generator with Transfer Switch — 20 kW, LP/18 kW NG, 120/240 Volts, Single Phase

6. Troubleshooting 5-2019

88 A062J680 (Issue 1)Copyright © 2019 Cummins Inc.

• Wire connections

Corrective Action:

1. Have the unit serviced by an authorized Cummins dealer.

Code 13 - Undervoltage

Possible Causes:

• Generator set loads

• Wire connections

• Windings

Corrective Action:

1. Have the unit serviced by an authorized Cummins dealer.

Code 14 - Overfrequency

Possible Causes:

• Air fuel mixture

• Alternator windings

• Carburetor

• Demand regulator

• Engine governor function

• Exhaust system

• Fuel supply

• Generator set loads

• Wire connections

Diagnosis and Repair:

1. Have the unit serviced by an authorized Cummins dealer.

Code 15 - Underfrequency

Possible Causes:

• Air fuel mixture

• Carburetor

• Demand regulator

• Engine governor function

• Exhaust system

• Fuel supply

• Generator set loads

• Generator windings