Customer Questions and Answers for Inverter by Whirlpool

Hello Jim. 1. Unplug oven or disconnect power. 2. Remove the oven from its mounting location and pull it forward so that you can access the top cover. 3. Remove the four screws from the top cover and remove the cover. 4. Remove the eight screws from the inner cover and remove the cover. 5. Remove the ten screws from the upper rear cover of the oven and remove the cover. 6. To remove the magnetron fan motor: a) Remove the left screw from the appliance manager board bracket. b) Remove the magnetron fan motor housing screw from the rear of the chassis. c) Remove the magnetron fan motor housing assembly and set it on top of the oven. d) Disconnect the two black wires from the magnetron fan motor terminals. e) Remove the three screws from the magnetron fan motor housing and separate the sections. f) Remove the magnetron fan motor screws from the housing and remove the motor from the housing. g) Pull the blower off the magnetron fan motor shaft. 7. To remove the inverter: a) Remove the two top screws from the outer convection cover at the rear of the oven. b) Remove the two inverter housing screws from the rear of the oven. c) IMPORTANT: Touch a screwdriver shaft to the two filament connectors and chassis ground. d) Disconnect the two filament wires from the magnetron terminals. e) Remove the screw from the green/yellow ground wire. f) Lift the inverter housing and set it on top of the oven. g) Remove the wires from the inverter housing. h) Unclip the four housing tabs and lift the top housing off the bottom half. i) Disconnect the wires from the inverter as follows: 2 red wires from CN703 Screw at green/yellow wire E701 3-wire connector at CN701 Blue and white wires at CN702 j) Unhook the two locking tabs and remove the inverter from the lower half of the housing.