002398
UnclassifiedCooling
What This Code Means
Stopped - Alarm RPM Sensor Loss; Alarm log will display 'Inspect Battery'; Stopped - Alarm RPM Sense Loss; Generator does not crank; Generator fails to start; Unit attempts to crank, but does not start or run correctly; Alarm Log displays 'Inspect Battery' first, then 'Stopped-Alarm RPM Sense Loss'; Generator does not perform the expected sequence of events when Utility fails and is restored; Generator does not transfer to Utility after cool down
Possible Causes
- •Bad fuse
- •Stopped- Alarm RPM Sensor Loss
- •7.5 Amp Fuse is bad
- •Undetermined (requires further diagnosis)
Suggested Actions
- 1Inspect fuse
- 2Diagnose based on symptom or Alarms displayed
- 3Refer back to flow chart
- 4Check 7.5 Amp Fuse
- 5Inspect Fuse
- 6Replace Fuse if bad
ASK RUDY ABOUT THIS FAULT
Get a diagnosis walkthrough for 002398 on your specific Generac unit — cited to the OEM manual, not a forum guess.
TRY IT FREE