Product Manual B
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. Troubleshooting7-2018
93A045R242 (Issue 12) Copyright © 2018 Cummins Inc.
2. External leak
Diagnosis and Repair:
1. Low lubricating oil level
a. Check the oil level. Add or drain oil, if necessary.
2. External leak
a. Inspect the engine and surrounding area for external oil leaks.
b. Contact your local dealer if a leak is present.
Code 151 - Engine Coolant Temperature High (Shutdown)
Logic:
Engine coolant temperature has exceeded the alarm (shutdown) threshold for high
coolant temperature.
Possible Cause:
1. High ambient temperature
2. Coolant level is below specification
3. Cooling system components are damaged or obstructed
Diagnosis and Repair:
1. High ambient temperature
a. Reduce loads or recirculation of discharge air to generator in elevated
ambient.
2. Coolant level is below specification
a. Inspect the engine, cooling system, and surrounding area for external
coolant leaks.
i. Contact your local dealer if a leak is present.
b. Verify the coolant level is correct via the sight glass.
i. Add coolant as necessary.
3. Cooling system components are damaged or obstructed
a. Inspect the radiator, charge air cooler, and other cores (if used).
i. Inspect for damaged fins.
ii. Inspect for dirt, debris, or obstructions.
iii. Remove blockage.
b. Inspect the fan shroud and air recirculation baffles for damage and
clearance.
i. Contact your local dealer if repair or replacement is required.
c. Inspect the fan belt(s) for damage, wear, and proper tension. Inspect
pulleys and belt tensioner for damage or wear.
i. Contact your local dealer if repair or replacement is required.