1464

UnclassifiedGeneral

What This Code Means

Generator set dumps its electrical load; Generator set KW output exceeds the Overload Threshold for the Overload Set Time; Output frequency of the generator set drops below the Under-frequency Offset for the Under-frequency Set Time

Possible Causes

  • •Another active fault is set to Derate
  • •Generator set KW output exceeds Overload Threshold for Overload Set Time
  • •Generator set output frequency drops below Under-frequency Offset for Under-frequency Set Time
  • •Incorrect CTs or CT Connections
  • •Incorrect CTs or CT connections
  • •Overload Set Time or Under-frequency Set Time is set too low
  • •Under-frequency Offset is set too low

Suggested Actions

  1. 1Check the CTs, CT Connections, and CT ratio
  2. 2Check the CTs, CT connections, and CT ratio
  3. 3Go to Setup > Genset Setup on the operator panel and set the Overload Set Time and Under-frequency Set Time parameters appropriately for the application
  4. 4Go to Setup > Genset Setup on the operator panel and set the Under-frequency Offset parameter appropriately for the application
  5. 5Refer to the section on Current Transformer Installation or reference event/fault code 2814 and event/fault code 2815
  6. 6Troubleshoot other active fault(s) set to Derate
  7. 7Troubleshoot the other active fault(s) that are set to Derate

ASK RUDY ABOUT THIS FAULT

Get a diagnosis walkthrough for 1464 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.