Service 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 Electrical Shocks and Arc Flashes Can Cause Severe Personal Injury or Death
- 1.5 Fuel and Fumes Are Flammable
- 1.6 Exhaust Gases Are Deadly
- 1.7 The Hazards of Carbon Monoxide
- 1.8 Earth Ground Connection
- 2. Introduction
- 3. Startup
- 4. Operation
- 5. Maintenance
- 5.1 Maintenance Safety
- 5.2 Periodic Maintenance
- 5.3 Engine Oil
- 5.4 Engine Valve Clearance
- 5.5 Normal Duty Air Cleaner Element Replacement
- 5.6 Exhaust System Maintenance
- 5.7 DC Electrical System
- 5.8 Batteries
- 5.9 Spark Plugs
- 5.10 Cleaning the Generator Set Housing
- 5.11 Cleaning the Slip Rings
- 5.12 Exercising the Generator Set
- 5.13 Complete System Test
- 6. Service
- 7. Troubleshooting
- 7.1 Troubleshooting Procedures
- 7.2 Safety Considerations
- 7.3 GATRR Troubleshooting Approach
- 7.4 Tools and Parts Required
- 7.5 Troubleshooting with the Local or Remote Displays
- 7.6 Utility-Powered Battery Charger Troubleshooting
- 7.7 Engine Flywheel Battery Charger Troubleshooting
- 7.8 Fuel Shutoff Solenoid Valve
- 7.9 Compression Test Procedure
- 7.10 Connecting with the InPower Service Tool
- 7.11 Troubleshooting by Symptom
- 7.12 Troubleshooting with Fault Codes
- 7.13 Remote Monitoring Communication Troubleshooting
- Appendix A. Wiring Diagrams
7. Troubleshooting10-2019
167A062J683 (Issue 1) Copyright © 2019 Cummins Inc.
d. Inspect the spark plugs for damage and proper gap:
• Remove and inspect spark plugs. If they are damaged or dirty, replace
them.
• Measure the spark plug gap. Re-gap if necessary.
18. Measure temperature of the air intake and temperature rise across the
generator set.
• Remove the blockage or prevent air recirculation as necessary.
Code 37 - Invalid Set Configuration
Logic: Generator set control configuration does not meet any valid configuration.
Possible Causes:
• Generator set configuration
• Control
Diagnosis & Repair:
1. Check the last fault recorded.
• If this fault has not been repaired, troubleshoot that fault.
2. Using the display, reset and save the generator set configuration. See the
instructions in the "Generator Config" Screen section.
3. If the generator set configuration is correct and the fault will not clear, replace
the control.
Code 43 - Processor Fault
Logic: RAM (programming variables) error during self-test
Possible Causes: Faulty program
Diagnosis & Solution:
1. Check the last fault recorded.
• If this fault has not been repaired, troubleshoot that fault.
2. Replace the control as necessary.
Code 45 - Speed Sense Fault
Logic: While running, the quadrature frequency dropped to 0 Hz for 1 continuous
second
Possible Causes:
• Loads
• Alternator windings
• Wire connections
• Open or corroded slip rings and brushes