DescriptionThis video provides step-by-step repair instructions for replacing the cavity light bulb on a Whirlpool microwave oven/hood combo (Model #WMH73521CS6). The most common reason for replacing this part is if it is burned out.
All of the information for this video is applicable to the following brands:
Whirlpool
Step-By-Step Instructions1
Whirlpool Microwave Oven/Hood Combo - WMH73521CS6
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Microwave Oven Cavity Light Bulb Replacement
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Tools needed: Phillips-head screwdriver
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Be sure to unplug the power cord or shut off the power supply.
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Use a Phillips-head screwdriver to unthread the three screws securing the top grille.
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Pull the grille down from the top to detach.
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Remove the right side charcoal filter by lifting up the front and pulling it forward.
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Lift off the lamp cover.
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You can now unthread the old light bulb.
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When installing the new cavity light bulb, you should wear gloves to help protect the bulb when threading it into the socket.
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Insert the tab on the back of the lamp cover into the slot in the frame and lower the cover.
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Reinstall the charcoal filter by sliding it in over the tabs then push the front down to snap it into place.
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Before you reinstall the top grille, make sure the two support clips are in place.
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Now align the grille tabs with the slots in the frame and snap the grille into position.
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Rethread the three screws.
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Having a magnetized screwdriver will make it easier to rethread the screw on the right.
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Plug the power cord back in or restore the power supply and the microwave oven should be ready for use.