1449
UnclassifiedGeneral
What This Code Means
Frequency has gone above the Overfrequency Threshold for the duration registered in Overfrequency Delay parameter
Possible Causes
- •Fault Simulation is Enabled
- •Frequency exceeded Overfrequency Threshold
- •Overfrequency Threshold is Set Too Low
Suggested Actions
- 1Connect with InPower and ensure that the Fault simulation for Overfrequency Enable is not enabled.
- 2Go to Setup > OEM Setup > OEM ALT Setup > Overfrequency Threshold on the operator panel menu and set the Overfrequency Threshold Parameter appropriately for the application.
- 3If InPower is not available, cycle power to the control: Depress the Emergency Stop button and wait 30 seconds; disconnect/disable the battery charger; disconnect the battery (disconnect negative first); leave the controller without power for 1 minute; reconnect the battery, enable the battery charger, pullout the E-Stop button, and reset the control (in this order).
ASK RUDY ABOUT THIS FAULT
Get a diagnosis walkthrough for 1449 on your specific Cummins unit — cited to the OEM manual, not a forum guess.
GET THE ANSWER
Free account required — we'll bring your question with you.