Question about Generac Electrical Supplies
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Posted on Jan 02, 2017
SOURCE: Model No. 040234, Serial No.
This is absolutely not a gas psi problem. You haven't mentioned if the unit was connected to load or not. That FC5 fault is low frequency and could very well be caused by an overload condition. Take an amperage reading while the problem is occurring. If it is not overloaded then it seems like you may have a problem with your governor control circuit assuming the engine is running ok otherwise. Some basic checks include checking mag p/u voltage (they are generally located directly over the flywheel on aircooled engines and are difficult to see so try to following wiring) while cranking / running generally it should be over 1.5 vdc. Also check for mechanical binding. If the unit never makes 60 hz. also try adjusting the govenor although If the unit did make good frequency at some point you may be having a problem with the controller. If the unit is hunting dramatically then try adjusting whats called your frequency or governor gain setting to a point that's stable.
Posted on Jul 10, 2011
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