Inverter Generator Weird symptoms
I have a King Canada KCG-3000i, 3000 Watt inverter generator that I use for power outages at my home to run my internet router, TV, and File server (all about 830 Watts). I run monthly tests on the generator using a 100 Watt light bulb as a load instead of unplugging my equipment for each test. This is mostly an engine and voltage check. Lately though, after the generator has been running for 5 minutes or so, the light bulb begins to flicker and the engine speed varies ever so slightly. This will continue with no end. If I attempt the test the next day, same thing, 5 minute smooth, then flicker. I'm wondering if this is the speed control for the gasoline engine and not a AVR/Inverter problem? Any help would be great.