Generac

2400

UnclassifiedElectrical

What This Code Means

Generator running underspeed for > 30 seconds when undervoltage alarm set; Single Zero Cross missing; Undervoltage due to faulty excitation winding, or zero cross circuit, or circuit in general; One zero cross missing for greater than 1.5 seconds; Field Current measured value is above threshold; The controller fuse is missing or damaged in such a way that it does not work; Fuse problem must be detected for 1.5 seconds; Command and position feedback not matching or taking too much time to achieve; Governor in open position for greater than one second; Governor in closed position (commanded otherwise) for greater than one second

Possible Causes

  • •Blown 7.5 amp fuse (F1)
  • •Firmware older than V1.30
  • •Missing / Damaged Fuse
  • •The 7.5 amp Controller Fuse is missing or blown (open)
  • •circuit in general
  • •engine intake exhaust or mechanical issues
  • •faulty excitation winding
  • •field boost hardware failure
  • •fuel supply/control system
  • •governor module
  • •governor wire loose
  • •overload
  • •zero cross circuit

Suggested Actions

  1. 1Check 7.5 Amp Fuse Alarm Code 2400
  2. 2Clear any faults in the controller before proceeding with any running diagnostic steps
  3. 3If fuse continues to blow, proceed to Problem 19 flow chart
  4. 4If the fuse is bad, replace it with an identical 7.5 amp replacement fuse
  5. 5If the fuse is good, refer back to the flow chart
  6. 6Perform Test 44
  7. 7Perform Test 66 – Check cranking and running circuits
  8. 8Procedure for Alarm E-Code 1905
  9. 9Procedure for Alarm E-Code 1916
  10. 10Procedure for Alarm E-Code 2101
  11. 11Procedure for Alarm E-Code 2400
  12. 12Procedure for Alarm E-Code 2500
  13. 13Procedure for Alarm E-Code 2501
  14. 14Procedure for Alarm E-Code 2502
  15. 15Remove Load
  16. 16Remove and inspect the 7.5 amp fuse (F1)
  17. 17Repair or replace
  18. 18Replace controller
  19. 19TEST 66 – CHECK CRANKING AND RUNNING CIRCUITS
  20. 20Test 68
  21. 21Test the fuse for an open with a DM or continuity tester
  22. 22Visually inspect the fuse and fuse element

Related Generac Fault Codes

250025012101250220992600209826011916260219072747
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