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Models > M438B

M438B Jenn-Air Microwave Oven Combo - Overview

Get Parts and Repair Help for M438B

If you know the microwave oven combo repair part you need, you can browse the list of all parts on the M438B, or you can search by name or part description. You can also find your part by where it is located on the M438B by selecting a section below. Installation instructions provided by other do-it-yourselfers will help guide you through your repair.

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$24.35

SWITCH- PR

Grease Filter

This metallic grease/air filter collects grease particles in the air from cooking. This filter is also removable for cleaning.

HANDLE (BLK)

$27.40

SWITCH- MI

A micro switch, also known as a miniature snap action switch, is used in ovens and microwaves. This is used to change the direction of power, from on to off. The switch uses a spring to open and close the connections inside of it. This part should quickly switch power direction, but if your switch is defective, damaged, or broken, it will not work properly. In this case, it is best to replace the switch. Make sure to unplug your appliance from the power source before beginning this installation project. Refer to the manual provided by the manufacturer for further installation instructions and guidance.

SUPPORT, RACK

FRAME, DOOR (BLK)

LENS, BULB

SCREW

BOTTOM, TRAY ASSY

CUSHION, MOUNTING PLATE

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Microwave would not heat food. All other functionality was working as expected

  • Customer: James from Staten Island, NY
  • Difficulty: Really Easy
  • Time to Complete: 15 - 30 mins
  • Tools Required: Screw drivers
  • 6 of 10 people found this instruction helpful
I disconnected the power. Took off the front panel that was held together by two screws. Reviewed the schematic that was inside. Located the switches, saw which lead was burnt. Unscrewed the two screws that held the switch in place, cleaned the connector, and put the switch in and connectors back. Powered the device, tested for cooking/heating function... read more