Re: Dumb aqua hot question Reply #25 – November 24, 2017, 10:44:24 am You can start the genny if you are not plugged inFlip aqua hot electric switch and light should come on Flip the diesel switch and at this point you will hear the fan kick on the burner which is outside behind the driver tire ( you will see the exhaust pipe) after the fan cycles on in a min you should hear the burner kick on and the exhaust get hot. If that does not happen go back inside and check the aqua hot switch that says diesel. The light will be off (little green light). If off it didn't light and try again. If it continues and doesn't light you have an issue. If the green light is on the electric side and you should get at least warm heat at a minimum in the cold. If not you have a problem. Now the electric might take a few hours on its own to get warm.. the diesel side should warm up in the cold in a couple hours I would guess. I think he mean time run the AC heateror plug in some portable heat .. hope this helps Quote Selected