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Fix a microwave that won't start or runs with the door open. This door interlock switch ensures safe operation by detecting when the door is fully closed.
Microwave won't heat but runs normally? A failed magnetron is the likely cause. This part generates the microwaves that cook food. Moderate DIY repair.
My son told me that almost all the microwave ovens that came into the repair center he worked at, 15 years ago, had a defective magnetron. I ordered a magnetron, and sat back until one shipped. The one that came, the first time, was in a small factory cardboard box, which was in a large bubble-pak Fedex envelope; which didn't show any signs of abuse. Inside, however, the factory box was beat up. Removing the magnetron, I noticed that the socket, as well as its' pins, was bent, and loose in the... Read more
Microwave not heating food? A faulty high voltage diode disrupts power conversion. Common DIY repair requiring discharge safety and multimeter testing.
After dismounting the unit from its wall-hanging bracket, the most tedious part of the repair was removing over a dozen screws holding the cover in place from the top, bottom, and both sides. Fortunately, I had placed the unit on a bench that allowed me to slide the unit allowing access to the screws on the bottom edges of the unit. Always discharge the capacitor before continuing to work on the unit by discharging the capacitor by shorting the contact without the diode to ground. Access to the... Read more
This is a micro switch that detects whether the microwave door is properly closed and latched. It is part of the safety interlock system that prevents the microwave from operating with the door open. Replace this switch if the microwave does not start when the door is shut, runs with the door open, blows a fuse when the door closes, or stops mid-cycle intermittently.
Knowing the odds of 2 failures occurring at the same exact time was unusually high, I just searched your site for what other broken items might affect these two failures. Came up with next control item upstream and tallied that item failure with percentages of successful repairs, (4 mins.) door safety switch. Since I had to change out the most likely of the 3 and since I was already was going to be into the switch panel I ordered all 3 and swapped them all out to cover my butt, as they were... Read more
Replaces a cracked, chipped, or broken glass turntable tray inside your microwave cavity. Typically damaged during cleaning or accidental impacts.
Pretty easy fix. Took out 7-8 screws to remove cover for access to light. 2 were security type screws so I had to run to the hardware store to buy a special screwdriver. One screw to remove the bulb. Read more
Replaces cracked, worn, or broken turntable support ring in your microwave. Supports the glass tray and engages the rotating coupler mechanism.
Replaced the part in a few seconds. Working fine now. Read more
Microwave not heating or making loud buzzing noise? The high voltage diode regulates power to the magnetron. DIY repair typically takes 30-45 minutes.
LG Help-line said probably a failed magnetron, but since out of warranty,referred me to an authorized LG repair service. They wanted $79.95 service call to come out & diagnose problem. I ordered replacement magnetron for less than cost of a service call, Plus the part was delivered next day! Works like new again. Happy wife = happy life! Notes for DYI-ers: 1.Be careful removing over the stove microwaves--get help,they are heavier than you think. 2.Unplug microwave for 48 hrs, carefully... Read more
Microwave won't start or runs only when door is pulled? Replace faulty door interlock switches. This 2-pack covers top and bottom switches. DIY repair.
First, it was going to cost $95 for an appliance guy just to look at it! I figured there would be an upcharge on the parts + labor on top of the $95, so I took a chance & decided my husband & I could fix it cheaper; we were right, but it was a 3 week process (luckily, we have another microwave in the basement we were able to use in the meantime). I googled the microwave model #, then price checked the same item I thought we needed; printed off the diagrams of the various microwave "systems" &... Read more
Microwave won't heat or makes loud buzzing noise? The diode regulates magnetron current flow. Simple repair—test with multimeter for continuity.
I have a multimeter so I was able to check the fuse per website recommendations and it was blown. However, the capacitor on the microwave was also original so I elected to replace the capacitor, fuse, and the ground protect diode. The repair was very simple (making sure the capacitor was discharged before replacing) and the microwave is now up and running again. Excellent trade to buy $40 worth of parts rather than a new $400 microwave. One nit - Kenmore puts a screw in the back that... Read more
Rubber foot pad that supports and stabilizes your range on the floor. Replace if cracked, broken, worn, or missing to keep your appliance level.
Ordered replacement parts and were better than the OEM that was on the range. Read more
The Switch, Micro is an OEM part for LG microwaves. This micro switch is crucial for the operation of the microwave door mechanism, ensuring that the microwave only operates when the door is securely closed.
Causes of a bad micro switch can include wear and tear from frequent use, damage due to electrical faults, or physical impact that disrupts its functionality.
Symptoms of a bad micro switch include:
This OEM LG part is also compatible with Sears/Kenmore models.
Glass turntable tray that rotates inside your microwave. Replace if cracked, chipped, broken, or missing to restore safe, even cooking and protect your oven.
I ordered the parts and replaced them. Read more
Turntable stopped turning or making noise? This microwave motor rotates the glass tray for even heating. Easy DIY fix with basic tools in under an hour.
I googled the make and model, and found the part on AppliancePartsPros.com. The underside of the oven has a metal grille with numerous openings of various shapes and sizes. There is a rectangle that is punched into this grille, just below the motor. I pried between the vent holes to snap the connections near the perimeter on the punched rectangle. I only did this on three sides. Then pry up the rectangle away from the connected side. Undid the hold down screw, separated the motor from the... Read more
Connects the turntable motor to the glass tray hub so it rotates during cooking. Replace this shaft coupler if it's cracked, worn, melted, or broken.
About 9 screws on bottom and 2 on the turntable. The most trouble I had was putting the bottom back on. Took about 15-20 min. Easy fix Read more
Bracket that mounts and aligns the door latch switches inside your microwave. Replace if cracked, broken, or clips are damaged from prior switch removal.
REPLACED THE DOOR SWITCHES HOLDER ASSY---LABELED HOLDER ASSEMBLY LOCKER, WHICH CAME WITH ALL 3 DOOR SWITCHES ALREADY MOUNTED IN THE HOLDER ASSEMBLY, IT WAS EASY TO REPLACE, JUST 2 SCREWS BUT YOU DO NEED TO PULL THE FRONT PANEL ASSY FORWARD BY REMOVING 1 SCREW AND LIFTING IT UP AND OUT WHOLE JOB TOOK ABOUT 1/2 HOUR appliancepartspros.com GAVE QUICK DELIVERY MUCH APPRECIATED BOB B. Read more
Microwave runs with door open or won't start? A faulty door latch prevents the interlock switches from engaging. This replacement latch restores safe operation.
Determined which part was broken and entered the model number into the search window. My part was on the list of available parts. Thanks AppliancePartsPros.com! Read more
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