Product Manual

6. Troubleshooting 8-2019
92 A062J680 (Issue 2)Copyright © 2019 Cummins Inc.
Code 45 - Speed Sense Fault
Possible Causes:
Alternator windings
Loads
Wire connections
Corrective Action:
1. Have the unit serviced by an authorized Cummins dealer.
Code 46 - Generator Set Overload
Possible Causes:
Loads
Windings
Wire connections
Corrective Actions:
1. Reduce the number of connected loads especially loads that require higher
starting current such as air conditioners.
2. Check and service air filter as necessary.
3. Have the unit serviced by an authorized Cummins dealer.
Code 76 - Alternator Over Temp
Possible Causes:
Blocked intake or exhaust openings
Faulty fan
Faulty temperature sensor
Wire connections
Diagnosis and Repair:
1. Verify the generator set enclosure for clear intake and exhaust openings.
2. Have the unit serviced by an authorized Cummins dealer.
6.5 Remote Monitoring Communication
Troubleshooting
Webpage or Mobile App Does Not Respond
Possible Causes:
1. Connection problems exist between the mobile device or computer and the
Connect Cloud.