Generac ultra source 15000 watt generator runs for about 12hours then shuts off after a few hours it will start back up and do the same thing

January 2021 1 4 Report

Generac ultra source 15000 watt generator runs for about 12hours then shuts off after a few hours it will start back up and do the same thing

Electrical Supplies - Generac

Could be the fuel tank is not venting properly. When it fails, remove fuel cap and try starting. If it runs replace fuel cap wuth new.