2600

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

  • governor wire loose
  • governor module
  • fuel supply/control system
  • engine intake exhaust or mechanical issues
  • field boost hardware failure
  • overload
  • Missing / Damaged Fuse

Suggested Actions

  1. 1Test 68
  2. 2Procedure for Alarm E-Code 1905
  3. 3Procedure for Alarm E-Code 1916
  4. 4Remove Load
  5. 5Procedure for Alarm E-Code 2101
  6. 6Procedure for Alarm E-Code 2400
  7. 7Procedure for Alarm E-Code 2500
  8. 8Procedure for Alarm E-Code 2501
  9. 9Procedure for Alarm E-Code 2502

ASK RUDY ABOUT THIS FAULT

Get a diagnosis walkthrough for 2600 on your specific Generac unit — cited to the OEM manual, not a forum guess.

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