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
171A062J683 (Issue 1) Copyright © 2019 Cummins Inc.
Diagnosis and Repair:
1. The generator set is not connected to the Internet.
a. Verify the Internet connection status on the generator set local or remote
display. This information is displayed on the Cloud Info screen in the
MENU – About.
• If the control is failing to connect to the Internet after multiple tries,
power-cycle the control.
b. Check the generator set control board for the IP address and data transfer
“heartbeat”.
i. Use the generator set’s local display or remote display to navigate
through the menus until you find the IP address. Make sure that there
is a valid IP address shown.
ii. Check the generator set control board for illuminated green and
orange lights (also known as the “heartbeat”) near the Ethernet port. If
the board is properly communicating with the network, the lights should
flicker on and off irregularly.
c. Battery voltage is low.
• Refer to the Starting Battery Runs Down or Low Battery Warning Is
Active section.
d. The customer’s modem or router has no Internet connectivity.
i. Check the Internet connection indicator on the modem or router.
• If the Internet connection indicator is not illuminated, reset the
modem or router. Refer to the modem or router owner’s manual
for the proper procedure.
ii. Access a web page using a computer connected via Ethernet cable to
the same modem or router that the generator set is connected to.
iii. Contact the Internet Service Provider (ISP) for additional
troubleshooting.
e. Check the Ethernet cable to the generator set.
i. Verify that the Ethernet cable type is Cat 5, Cat 5e, or Cat 6.
ii. Verify that the Ethernet cable is fully seated in the generator set
control.
iii. Verify that the cable is fully seated in the router or modem.
iv. Check the cable for breaks or damage; replace if necessary.
v. If a laptop is available for testing, unplug the Ethernet cable at the
generator set and connect the laptop. Verify that the laptop has
Internet access over the local network.