Applicable Systems
PowerCommand
Symptoms
Warning - Overspeed. The engine speed has exceeded the warning threshold.
Possible Causes
- Governor response lag or adjustment needed
- Load rejection causing temporary overspeed
Troubleshooting Steps
- Step 1: Check the governor adjustment and response
Governor is sluggish or misadjusted - Step 2: Verify the load connection and disconnection sequence
Load rejection causes temporary overspeed
How to Reset
To reset: Adjust the governor, then acknowledge the warning.
Source: Cummins Power Generation Control Manual, Cummins Inc.
Category: Generator