How to Repair a Microwave Oven
- Unplug Power and Remove Moving Parts. Be sure the power cord is unplugged and then remove the moving parts from microwave oven.
- Open the Back Cover. There are 2 screws on right side and 1 screw on left side. They can be easily remove with normal screwdriver.
- Check the Fuse First. After open the back cover, check the fuse first. ...
- Inspect Door Switches. The next step is to inspect door switches. There are 3 switches in the microwave oven. See their location in the pictures.
- See Inside of the Switch. Open this switch to verify. In the picture, press the button down, the contacts cannot be connected.
- Buy a Replacement Part. Found the spec and model on the back of the switch, I bought a similar switch online - the grey one on the picture, ...
- Install the New Switch. The following things are connect wires to the new switch and install it properly. Just reverse the operation what I did.
- About Discharge Capacitor. In my case, since the microwave oven has stopped working and unplugged power for a long time and there is one discharge resistor in the ...
Full Answer
Is it worth the money to repair your microwave oven?
Repair or Replace Microwave A replacement appliance costs about $100 and should work for at least seven to 10 years. If your microwave is relatively new and the repair costs less than replacing it, the fix is worth it. In general, the problems worth fixing include: No light when the door opens or while cooking.
How do you fix a microwave oven?
We crunched the numbers. Here's how much you can save using a microwave in place of the big oven. If you're looking for ways to save money around mealtime, the quickest fix is probably curbing that takeout habit. Once you've committed to cooking ...
Why is my microwave oven not working?
The cause could be several things, including:
- A malfunctioning diode
- Burned out high-voltage capacitors and transformers
- Overheated thermoprotector
How do you remove a built in microwave oven?
Things You Will Need
- Cordless drill or driver
- Screwdriver
- Putty knife
- Diagonal pliers
Is it possible to repair a microwave oven?
The average cost to repair a microwave is about $150, including labor and parts. While this estimate falls on the lower end of appliance repair costs, take a moment to consider whether you're better off replacing your microwave instead.
What causes microwave to suddenly 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.
Is a microwave oven worth repairing?
If your microwave is relatively new and the repair costs less than replacing it, the fix is worth it. But are microwaves worth repairing if something major is broken? Probably not. Consider getting a replacement appliance for about $100, which should work for 7 to 10 years.
How do you troubleshoot a microwave oven?
1:5822:58Microwave Oven Troubleshooting in MINUTES ~ STEP BY STEPYouTubeStart of suggested clipEnd of suggested clipSo that could be another issue you could have another problem food isn't getting hot enough you canMoreSo that could be another issue you could have another problem food isn't getting hot enough you can also have a problem that when you go to push. Start on the microwave oven that the breaker trips.
How do I know if my microwave fuse is blown?
1:382:24Microwave Not Working? Fuse Testing, Troubleshooting & RepairYouTubeStart of suggested clipEnd of suggested clipThe fuse has continuity. However if the meters needle does not move or the digital display. Does notMoreThe fuse has continuity. However if the meters needle does not move or the digital display. Does not change significantly. There is no continuity. Which means the fuse has blown.
Why is my microwave running but not heating?
When your microwave turns on but does not heat up, it may mean the door switch is broken. The door switch signals other microwave components to supply power when closed, and to stop heating when open. The door switch can also be called an interlock switch.
What's the average life of a microwave?
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.
How much does it cost to replace magnetron in microwave?
$100 to $200Replacing a microwave magnetron costs $100 to $200. This includes a part price of $50 to $100 and $50 to $100 for labor. A magnetron is the primary component that produces heat for the appliance.
How much does it cost to replace a microwave fuse?
Microwave Fuse Replacement Cost Fuse replacements for a microwave cost between $50 and $100 on average. This is one of the cheapest and simplest microwave repair jobs. Many appliances have fuses, and over time, it is natural for fuses to wear out or blow.
Where is microwave fuse located?
Fuses are located in many places inside the microwave, including the top, side, and behind the vent grille. Using the wiring diagram can help you locate the appropriate fuse. Once you have located the fuse, remove any necessary wires and fasteners to free it from the microwave.
Is there a reset button on a microwave?
Microwaves can stop responding due to software glitches or unintended microwave settings. Press the cancel/reset button to do a soft reset on your microwave. If necessary, perform a hard reset by unplugging your microwave for 30 minutes, then plug it back in.
Is there a reset button on my microwave?
A soft reset is simply turning off the microwave oven to cancel or erase the program you've input in the microwave. To do this, you will just simply press on the Off/Clear button. Pressing Off/Clear button and holding it for about 3 seconds will also resolve the Control Locked feature of the microwave.
Will microwave turn on if fuse is blown?
In the most common scenario, your microwave will start up and run with no issue. This verifies that nothing that takes just 120 volts like your door switches and electronic control is causing the issue. WARNING: Do not attempt unless you have training in appliance repair.
Do microwaves shut off when overheated?
Without the fan to regulate the temperature, the microwave will overheat quickly and shutdown.
How long do microwaves usually 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.
How long does it take to fix a microwave?
On average these repairs should take less than 15 minutes to complete. We break microwave repair down by common symptoms, like your touchpad is not responding, your microwave is noisy, ...
What to do if microwave is not heating?
If your microwave is not heating you need to inspect the high voltage diode, the door switch, and the magnetron. Learn to test these parts and repair your microwave. 9% of customers.
What happens if the door on my microwave doesn't close?
If the door of your microwave won't close you cannot use the appliance, it will not start. If you are having issues with the door on your microwave we recommend inspecting the door latch assembly, and the torsion springs.
What to do if microwave door won't open?
If the door on your microwave refuses to open, you may need to repair or replace the door latch lever or button. This repair guide walks you through how to test these parts and fix your microwave.
Why is my microwave noisy?
Noisy microwaves can indicate any number of issues. The problem could be anything from the stirrer motor, to the magnetron, the cooling fan, or the high voltage diode. Use our repair guide to test each part of your microwave to find the culprit.
What is the main function of a microwave?
The main function of a microwave is to heat things up, if the microwave is failing to do so , examine the high voltage diode, the door switch, and the magnetron. Our repair guide will have the fan back to work in no time.
Why is my touchpad not responding?
Touchpad does not respond. If the touchpad on your microwave does not respond but the display lights up, it is likely the membrane switch or the control board are not functioning properly. Our troubleshooting guide will help you test, repair, and replace whichever part is causing you trouble. 45% of customers.
Most Common Problems
Enter the model number into our troubleshooting guide and you've taken the first step toward a microwave repair you can truly call your own. There's no good reason to turn back now, and think about how you'd feel if you did. Browse our list of symptoms and soon you'll figure out what caused the problem in the first place.
The Right Parts for the Job
We carry more than 4 million parts from over 175 major brands, so chances are, we've got the part you need.
What is a microwave oven?
Microwave ovens are a testament to man's ingenuity and creativity. For someone to have the foresight to imagine that food can be cooked without ever being placed in an oven or near a fire is astonishing. The microwave oven is a marvel of science, available right in our kitchens.
Why is my microwave cooking so slow?
Your Microwave Oven Cooks Slowly or Unevenly. Check the voltage at the outlet supplying power. If it is lower than 115 volts, there is a problem with your electrical service or breaker. A bad turntable motor may also be the cause. To check it, turn the microwave over onto its top and remove the bottom grill.
How to discharge a capacitor safely?
To discharge a capacitor safely, you will need the following: a screwdriver, a wire-wound resistor with a 2 watt-20,000 ohm rating, and a pair of jumper wires with alligator clips on the ends. Clip a wire to each end of the resistor.
Can you fix a screw by yourself?
Many times, you can quickly and inexpensively fix the problem by yourself. You will need to have a volt-ohm meter, which you can pick up at most hardware centers. A notebook to record your process is a valuable assistant when it comes to trying to remember which screw goes where.
Can a microwave transformer be bad?
The magnetron or transformer could also be bad, but they need to be serviced by a professional. These are the easiest and least expensive repair situations for problems with a microwave oven. Any issues not covered here will require a professional in most cases.
How to clean a microwave?
First, try cleaning the cavity of your microwave. Clean with hot, soapy, water, then observe the results. If cleaning the microwave does not resolve the issue, consider replacing the included filter. The placement of your filter will vary based on brand, make, and model of your microwave.
How much does it cost to replace a microwave magnetron?
This depends on the make, model, and brand of your microwave, but you can expect to pay anywhere between $60 – $1000 to replace a magnetron. This wide range is based on a number of factors including the part, location, and age of the microwave. The cost to replace the magnetron itself begins at $30.
Why is my microwave so loud?
Solution: The cause of a loud microwave could be the magnetron, exhaust fan motor, stirrer motor, or turntable motor. The magnetron will need to be replaced if you hear high tones or growling sounds.
Why is the microwave door connector loose?
This connector becomes loose because of the pressing of the keypad, and the pushing and pulling of the microwave door handle.
Why is my microwave keypad not working?
Solution: There are one of two reasons why the keypad has stopped working. Reason 1: the keypad is too dirty to use. Food and/ or other dirty has gotten in and around the microwaves buttons, rendering them unusable. To resolve this issue, clean your microwave keypad with warm, soapy, water.
How long does a microwave last?
On average, a microwave will last 9.5 years. This average will vary based on usage, environment, brand, and how will you keep it clean. The more you use your microwave, the shorter the lifespan. In addition, if your microwave is constantly being pushed and pulled, you can expect the lifespan to be shortened.
What does a blown microwave fuse mean?
Solution: A blown microwave fuse means something has gone bad inside the microwave. I would recommend that you disconnect the microwave and contact a professional.
