The 10 Most Common Microwave Repair Problems

  1. Microwave Plate Won’t Turn. Plate. …
  2. Microwave Won’t Turn On. Wall Plug. …
  3. Microwave Door Not Closing Properly. Door Latch Assembly. …
  4. Microwave Door Stuck Closed. …
  5. Microwave Doesn’t Shut Off. …
  6. Microwave Not Heating. …
  7. Microwave Making Noise. …
  8. Microwave Touchpad Does Not Respond.

What are the signs that a microwave is going bad?

6 Signs It’s Time to Replace Your Microwave

  • Smoke, sparks, and burning smells. These are signs of a serious and urgent problem. …
  • Food isn’t cooking properly. …
  • It makes horrible sounds as it cooks. …
  • The door doesn’t seal properly. …
  • The keypad doesn’t function. …
  • It’s over 10 years old.




What are common problems with microwave?

Here are five of the most common microwave faults:

  • Microwave sparking. …
  • Microwave is not heating food. …
  • Microwave plate not spinning. …
  • Microwave making noise. …
  • Microwave starts and then stops.

What causes microwave to stop working?

The most common cause for a microwave oven not working at all is a blown main fuse. The microwave main fuse will cut the flow of electricity if too much current passes through it.

What is wrong with a microwave that doesn’t heat?





A microwave that doesn’t heat may also have a broken magnetron. The magnetron is responsible for heat production within the appliance, and a malfunctioning magnetron could blow a fuse, ultimately causing other functions of the microwave to fail.

How long do microwaves typically last?

The average microwave oven lasts about seven years with normal use, and even less with heavy use and poor maintenance. A large family may find themselves replacing their appliance every four to five years as they become more reliant on its use to heat up snacks and leftovers, or to defrost meals.

Is a 25 year old microwave safe?

If you take good care of your microwave up into its old age, there’s a low risk of harm, but if it’s damaged in any way you may want to get it checked out. If you’ve looked after it well, there’s no reason why a vintage microwave should be dangerous.

What causes a microwave magnetron to fail?

Microwave does not heat



If the microwave is turned on when it is empty, this cause the magnetron to burn out. A burned magnetron has to be replaced as it cannot be repaired. Other probable causes behind this problem are faulty diodes, capacitor burn, defective door switch and transformer failure.