1056
UnclassifiedElectrical
What This Code Means
Main controller detects a low output voltage; The generator output voltage is too low
Possible Causes
- •The AVR is damaged
- •The brushes are arcing or worn
- •The brushes are incorrectly wired
- •The load is too large
- •The rotor is damaged
- •The stator is damaged
Suggested Actions
- 1Check for Overload conditions
- 2Open MLCB and retest unit
- 3Perform Power Winding and DPE winding tests
- 4Perform Rotor Brush test
ASK RUDY ABOUT THIS FAULT
Get a diagnosis walkthrough for 1056 on your specific Generac unit — cited to the OEM manual, not a forum guess.
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