Product Manual
Table Of Contents
- Table of Contents
- 1. IMPORTANT SAFETY INSTRUCTIONS
- 1.1 Warning, Caution, and Note Styles Used in This Manual
- 1.2 General Information
- 1.3 Generator Set Safety Code
- 1.4 Moving Parts Can Cause Severe Personal Injury or Death
- 1.5 Electrical Shocks and Arc Flashes Can Cause Severe Personal Injury or Death
- 1.6 Fuel and Fumes Are Flammable
- 1.7 Batteries Can Explode
- 1.8 Exhaust Gases Are Deadly
- 1.9 The Hazards of Carbon Monoxide
- 1.10 Earth Ground Connection
- 2. Introduction
- 3. Control System
- 4. Operation
- 5. Maintenance
- 6. Troubleshooting
6. Troubleshooting8-2019
87A062J680 (Issue 2) Copyright © 2019 Cummins Inc.
Code 2 - Low Oil Pressure Fault
Possible Causes:
• Faulty oil pressure relief valve
• Faulty oil pump
• Faulty switch
• Oil level too low/high
Diagnosis and Repair:
1. Check the oil level.
2. Add or drain oil as necessary.
3. If the previous steps do not resolve the problem, contact your Cummins service
representative for assistance.
Code 4 - Overcrank
Possible Causes:
• Air fuel mixture
• Exhaust system
• Faulty external start command
• Fuel supply
• Ignition system
• Starter
• Wire connections
Diagnosis and Repair:
1. Open any closed fuel valves.
2. Ensure spark plug wires are secured to the spark plugs.
3. Check and service the air filter as necessary.
4. Contact your Cummins service representative for assistance.
WARNING
Some generator set service procedures present hazards that can result
in severe personal injury or death. Only trained and experienced service
personnel with knowledge of fuels, electricity, and machinery hazards
should perform generator set service.
Code 12 - Overvoltage
Possible Causes:
• Generator set loads
• Windings