I have a Powertech 12 KW Generator. About 4 years old. (671 hours)<br/>This morning my generator was running and I don't know why?<br/>While I had it set on "Auto" but we were was plugged into power and still had power.<br/>Move to manual and tried turning on and off, still runs<br/>I checked the Progressive surge protector and it didn't show loss of power.<br/>Batteries are high.<br/>I turned the...