DescriptionThis video provides step-by-step instructions for replacing the cavity thermostat on Whirlpool microwaves. The most common reason for replacing the thermostat is if the microwave runs for a few seconds and then stops.
All of the information in this thermostat replacement video is applicable to the following brands: Whirlpool, Amana, Estate, Ikea, Maytag, Roper
Tools used: Phillips head screwdriver
Step-By-Step Instructions1
To replace the cavity thermostat in your microwave oven first unplug the power cord.
2
Now use a phillips-head screwdriver to unthread the screws securing the grill.
3
Pull the grill forward from the top to remove.
4
Open the oven door and remove the mounting screw securing the control panel.
5
Lift the control panel up to detach.
6
Note the orientation of the wires connected to the control board then depress the locking tabs, if necessary, to disconnect the wires.
7
Free the hinge tab from the front panel and remove the screw and washer securing the grounding wire so you can set the control panel assembly aside.
8
Next, remove the screws securing the plastic control panel backing.
9
Detach the control board wires from the channel and set the backing aside.
10
Reach in and detach the cavity thermostat from the mounting tabs.
11
Depress the locking tabs to disconnect the wires to fully release the old thermostat.
12
Install the new cavity thermostat by first connecting the wires.
13
Slide the thermostat onto the mounting tabs.
14
Align the wires in the channel as you reposition the control panel backing.
15
Replace the screws to secure.
16
Reinstall the control panel by first securing the grounding wire with the screw and washer.
17
Insert the hinge tab into the front panel and reconnect the remaining wires to the appropriate terminals on the board.
18
Insert the control panel tabs into the front panel slots and push the panel down.
19
Replace the mounting screw to secure.
20
Realign the grill and snap it into place then rethread the screws to secure.
21
With the repair completed, plug the power cord back in and your microwave oven should be ready for use.