Unplug unit, removed trash can, unscrew the two small screws from the bottom of the control pannel, lift up on the control pannel and rotate if forward, remove knob ( has to be in off position) take the nut off the switch, take a picture of the wiring before you remove ( just incase)Replace switch, Then put it back together, very easy 5min. The knob was different than mine but i just used my old one. Shipping was very fast 2 days. o ya plug it back in!