Cannot engage RESET Button on plug to power the 220v AC unit

try new switch

Try powering the whole system down for 20mins to allow for a reset of the computerised sections to occur

check the control board. Make sure all plug ins are seated good if not seat them. If not I bet its your board.

You are tripping that outlet's breaker. Either too much is on that breaker and circuit or that circuit is not big enough, enough current to power that unit.

According to specs, they will take a 44 amp AC power surge. Obviously number and type of batteries as well as battery condition , etc, plugged in, not plugged in to outside hydro, or generator all come in to play here, but a 15,000 BTU roof AC will only draw, 15-17Amps AC when compressor kicking in, ( or less on some new models) and should level out at 12 -13 amp draw after. As well, this will depend on proper wiring to and from main panel as well as AC unit, and incoming voltage, AC unit condition ( cleaned and maintained properly) etc.

Unplug unit for 10 minutes

15,000 BTU stating current 18 to 20 amphs. And running amphs will be around 6.5 to 7 amphs.

Reverse the wires in the receptacle ,not the ground,this is most likely the problem the way the circuit is set up in the ac unit.Let me know if this helps.

Actually you should buy and install an AC wall outlet. An AC uses more amperage than most any other appliance due to the fact it has 2 motors the compressor and the blower / fan motor. An AC wall plug has larger terminals so that the plug does not ever heat. Changing the cord to a different and smaller terminal plug is a bad choice due to the danger of overheating the wall outlet terminals. You can buy the AC horizontal terminal outlets at any hardware store. Unless you have a 110V AC unit you will also have to run a 220V #10 Romex (3 wire) with ground to the outlet to be in code.. An AC unit 1 HP (10,000) BTU or larger requires over 15 Amps for start up. Those that are 20,000 BTU or larger obviously require more than 15 amps as a power source.

Thanks for using FixYa.

Kelly

Window air conditioners generall do not have fuses.