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How to Change the Light Bulb in a Panasonic Microwave Oven

Updated February 21, 2017

Changing a light bulb in your Panasonic microwave oven requires extreme caution. Once you open the panel of your Panasonic model, you will be exposed to some of the inner workings and can potentially harm or damage the unit. If you have your owner's manual, read it carefully, and follow all instructions that pertain to your specific Panasonic microwave oven model.

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  1. Seek a professional repair person if you have a Panasonic countertop unit, as the company does not provide specific instructions for bulb replacement of these models. If you have an over-the-range model, Panasonic provides instructions in your owner's manual and online.

  2. Start by unplugging the over-the-range oven from the power source. Keep the cord away from the electrical socket at all times. Tape the cord to a non-metal surface to keep it in place. As an extra safety precaution, you should also turn off the circuit breaker for your microwave oven before you proceed with any further steps.

  3. Keep children and pets out of the room as an additional safety precaution. Do this from the minute you start working on the bulb replacement project.

  4. Set a timer, or pay attention to when you unplugged the unit. Wait for at least five minutes before you proceed.

  5. Get all of your tools ready while you wait. This includes a screwdriver with a rubberised handle and transparent tape.

  6. Remember that you are working with a high-voltage electrical appliance. Make sure your hands are clean, dry and free of any moisture, water, grease or debris. Carefully unscrew the bulb. Note the bulb size and wattage. If you do not already have a replacement bulb, use the voltage and wattage information and your oven model number to order a new bulb or to purchase a bulb from a home improvement or appliance retailer that carries the exact bulb you need.

  7. Take your rubber handled screwdriver and remove the screws from the vent grille and charcoal filter. The screws for an over-the-range model are typically located on the inside of the oven, on the right side.

  8. Tape each screw to your kitchen countertop or onto a piece of paper. Label screws so you remember which ones go where.

  9. Lift the tab for the oven light cover, push it back and lift it up to remove the light cover. Discard the bulb if you have a replacement. Otherwise, carefully place the bulb inside an envelope or plastic baggie. Take the bulb with you if you are going to purchase a replacement at a retail store. Most Panasonic models use a 115 to 125 volt, 30 watt bulb.

  10. Carefully screw the new bulb into the socket. Securely screw the vent grille and reinsert the charcoal filter back in place.

  11. Turn on the circuit breaker, if you had it turned off. Plug your Panasonic microwave oven back in. For safety's sake wait five minutes. Then, turn on your oven. Open and shut the door to make sure the bulb works. Try a test of a 10-second cooking time setting. Open the door after the setting has completed to confirm that the bulb turns on and off properly. If not, contact Panasonic Customer Support for further installation information.

  12. Tip

    Be sure to consult your owner's manual to see if changing the light bulb is recommended as a do-it-yourself task.


    Do not use any bulb type, voltage or wattage other than what is specified for your Panasonic microwave oven model.

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Things You'll Need

  • Owner's manual
  • Rubber handled screwdriver
  • Tape
  • Access to circuit breakers

About the Author

Cheryl Munson has been writing since 1990, with experience as a writer and creative director in the advertising industry. She holds a Bachelor of Arts in journalism with a focus on advertising from the University of Wisconsin in Madison.

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