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
6. Service10-2019
95A062J683 (Issue 1) Copyright © 2019 Cummins Inc.
Control Board Replacement
1. Make sure the generator set is shut down and disabled:
a. Press the generator set's red STOP button on the local display to stop the
generator set. Allow the generator set to thoroughly cool to the touch.
b. Turn off and disconnect the battery charger from the AC source before
disconnecting the battery cables.
c. Disconnect the negative (–) cable from the battery first and secure it from
contacting the battery terminals to prevent accidental starting. Then
disconnect the positive cable.
2. Open the hood and make sure the hood latch drops into place.
3. Remove the control access panel. See the Control Components section for
locations.
4. Remove all wiring harness plugs from the control board, P1, P2, and the
optional Ethernet cord.
5. Remove the bolt retaining the control board.
6. Remove and replace the control board.
7. Re-install the 2 wiring harness plugs P1 and P2 only. Do not reconnect the
optional Ethernet cord until you have entered the generator set serial number
and model number into the control.
8. Reconnect the generator set battery, positive cable first.
9. Enter the serial number and model part number from the generator set
nameplate:
a. From the Main screen, select Menu.
b. Press and hold the Next key on the Menu screen for at least five seconds
to view the Config Menu.
c. Press the Next key to get to the next page.
d. Highlight “Nameplate Config” and press the Enter key.
e. Manually enter the serial number and model part number from the
generator set nameplate.
NOTICE
The model part number must be in the 8-digit "A061_###" part
number format.