Microwave Oven Parts Diagram and Repair Guide

Functional parts diagram

Physical layout and components vary by model.

• 1. Control panel

  Selects operating mode and time.

• 2. Door and interlocks

  Allow operation only with correct door closure.

• 3. Magnetron system

  Generates microwave energy.

• 4. Waveguide and cavity

  Direct energy into the cooking space.

• 5. Turntable assembly

  Moves food through the cavity field.

• 6. Grill or convection assembly

  Adds radiant or circulated heat on equipped models.

How symptoms guide inspection

• Runs without heating

  Before calling Note the selected mode and whether the display counts down.

  What we check Technician checks heating and control systems.

• Sparks or smoke

  Before calling Stop use and keep the unit off.

  What we check Inspect cavity, waveguide cover and related components.

• Plate does not turn

  Before calling With the unit off check whether the removable plate sits properly.

  What we check Inspect roller, coupler and motor.

• Door damaged

  Before calling Stop using the oven.

  What we check Inspect door alignment and interlocks.