2335

UnclassifiedSpeed

What This Code Means

Overspeed - Shutdown; Excitation Fault - Shutdown; Speed Signal Lost - Shutdown

Possible Causes

  • Governor fault
  • Cold engine
  • Single step large block load removal
  • Fuel shut-off coil fault
  • Misadjusted speed adjustment device
  • Fuel Injection Pump fault
  • Voltage sense lead fault
  • Excitation circuit fault
  • Field wiring (X1 and X2) fault
  • Genset not setup to reach required speed
  • Incorrect settings and configurations for genset
  • Damaged magnetic pickup (MPU)
  • Harness / base board fault

Suggested Actions

  1. 1Refer to PCC1302 troubleshooting guidelines
  2. 2Perform fault simulation with InPower
  3. 3Reset / adjust threshold
  4. 4Adjust speed adjustment device
  5. 5Monitor engine rpm / Hz with InPower
  6. 6Reset Control & restart
  7. 7Check voltage sense lead
  8. 8Check excitation circuit
  9. 9Check field wiring (X1 and X2)
  10. 10Ensure Genset setup to reach required speed manually
  11. 11Confirm settings and configurations for genset
  12. 12Inspect/replace damaged magnetic pickup (MPU)
  13. 13Inspect harness / base board

ASK RUDY ABOUT THIS FAULT

Get a diagnosis walkthrough for 2335 on your specific Onan unit — cited to the OEM manual, not a forum guess.

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