Micro Switch 3B73362F | Official LG Part | Fast Shipping | PartSelect
Micro Switch – Part Number: 3B73362F
Micro Switch – Part Number: 3B73362F https://partselectcom.azureedge.net/Schematics/LG/150152-3.gif

Micro Switch

Product Description

Micro Switch Specifications

This microwave door switch provides power to the various components in the microwave when the door is in a closed position, and interrupts power when the door is open. This door switch is approximately 1 1/2 inches long, and has 2 metal prongs called terminals that extend from its body. If your microwave will not turn or heat properly, there could be an issue with the door switch. You can check the switch for continuity using a multi-meter. With the actuator button depressed, you should see continuity between these terminals. If there is no continuity the switch will need to be replaced. NOTE: Before you begin this repair, first make sure your microwave is unplugged, and that your capacitor is discharged. A capacitor stores large amounts of electricity even when your microwave is unplugged.

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Troubleshooting

This part fixes the following symptoms:

No heat, Won’t turn on, Doesn’t shut off, Tray won’t turn.

This part works with the following products:

Microwave, Microwave Oven Combo.

This part works with the following brands:

LG, Kenmore, Whirlpool, General Electric, Amana, KitchenAid, Jenn-Air, Panasonic, Frigidaire, Magic Chef, Crosley, Estate, Bosch, Gaggenau, Thermador.

Part # 3B73362F replaces these:

3B73362E, 6600W1K001D, 6600W1K003C, 6600W1K004C.
Customer Repair Stories
Average Repair Rating: 4.1 / 5.0, 8 reviews What's this?
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Joshua from WHITE LAKE, MI
Difficulty Level:
Very Easy
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers
Parts Used:
3B73362F, 6600W1K001C
Microwave would not rotate or heat up food.
After watching a few youtube videos, I used a phillips SD to take controll pannel off to access the switches that sense when microwave door is closed. Swapped out all 3 switched and mocrowave works like new. $20 fix (shipping included)
29 of 36 people found this instruction helpful.
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JAMES from BILLINGS, MT
Difficulty Level:
Very Easy
Total Repair Time:
30 - 60 mins
Tools:
Screw drivers
Parts Used:
3B73362F
Broken door micro switch. (unit does not start heating)
Unplug the unit before servicing. Need phillips screwdriver. Open door. Use step ladder to access and remove 2 small screws from top of the room air diffuser at top of unit. Slide diffuser slightly to the left to align the diffuser's plastic tab on the left side to rotate toward you. (The wires for the front control panel are at the far left side of this difuser, but difuser is slotted for easy removal). Once the difuser is removed you will see 1 screw at the top that secures the pannel cover on the left side of the unit. Remove screw and slide this panel slightly up and out. This exposes the plastic frame that holds the upper and lower door switches. To locate the door switches and observe how they work, close and open the door and watch the door (bayonets) open and close the micro switches. Do the (red) buttons on top of the switches move up and down when the door bayonets push and release? If the buttons do not "pop" up when opened the switch is defective. The switch frame is secured with 2 screws. Remove screws and rotate the unit out for easy access to the micro switch(s). The internal (spring?) on my unit that is suposed to allow the red (visible) button on top of the switch to "pop" up when the door is opened was broken. Carefully pry the switch outward while being careful to lift the plastic holder-piece that holds the switch in place. Be careful, there is a small pin on the frame, so rotate the switch OUT toward you while lifting (carefully) the plastic holder-piece (you will see it on top of the switch). You can use an ohm meter to test the continuity of the switches. But if the buttons don't "pop" they are defective. Replace switch and reassemble.
10 of 16 people found this instruction helpful.
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Joseph from N VERSAILLES, PA
Difficulty Level:
Very Easy
Total Repair Time:
30 - 60 mins
Tools:
Screw drivers
Parts Used:
3B73362F
everything worked except it wouldnt cook
tested all 3 of the door switche for continuity, the top switch was faulty, replaced it,for approx $4.00 and saved a $350 dollar microwave.
7 of 13 people found this instruction helpful.
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LESTER from FOREST HILLS, NY
Difficulty Level:
Really Easy
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers
Parts Used:
5020W2A134A, 4B72023A, 3B73362F
not all control buttons worked, including button for the light under the microwave
1.Disconnected microwave from power 2.Put spring into middle round opening of the button compartment 3.Snapped in new button. So far 20 second job! 4. Removed front control panel from the microwave. Located Micro Switch,(on the left side connected with two snap-in wires).Pull out wires, pull out the switch. Replaced faulty switch with the new one. Snapped in two wires. Very easy. However, need short 2" philip screwdriver to be able to unscrew screw holding the old switch. Few minutes job! 5. Attached front panel. 6. Connected microwave back to power. Problems gone all work fine.
2 of 2 people found this instruction helpful.
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vic from Allen, TX
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers
Parts Used:
3B73362F, 6600W1K001C
When the MW door was opened a fan would start running. Close the door the fan would go off.
Removed the MW from the wall. Took the top screws off the air vent. Then removed the two screws holding on the display. I then moved the display to its side and it revealed the micro switches. I removed the plug in leads from the micro switch one at a time. I did this with all three micro switches only one at a time. I reinstalled everything and plugged it in. No more fans starting when the door is opened.
1 person found this instruction helpful.
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Dusty from SNOWMASS VLG, CO
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers
Parts Used:
3B73362F, 6600W1K001C
Microwave would not power up.
Fun and easy fix for my kids.

The countdown timer was working but no "cooking" happening. Did not hear the familiar sound of the heating part working.

Determined it might be some simple switches for under $15 dollars. Bought one of each. They allow the microwave to turn on/activate by signaling that the door is properly latched. My wife noticed that it was failing and then failed over the course of about a day. Several times where it worked, then did not work. The timer was counting down one time and then when she opened the door the microwave heating component turned on. Guess it had activated the switch as she was opening the door.

Procedure to repair
- Unplug
- Remove two screws on front top - allows you to remove the vent. Realized there was a charcoal filter there that I had never replaced so ordered that after the fix.
- Remove two screws to pull off the front right panel (area where your microwave buttons are) One at the top under the before mentioned vent and one under the microwave on the far right corner.
- Have someone hold the panel because wiring is to short to place it on a ledge while connected or take a picture and remove connections. I simply held it while my daughter undid the micro switches.
- Carefully remove micro switches. There were two "orange" button ones so I chose the top one to replace along with the green button one that I had ordered, so I simply pulled an orange from the bottom and a green from the top latch area. You may have remove the part that holds the switches since it was a little tough with the wires in the way and not knowing how the switches stay put.
- plug in new switches and place in the brackets that hold them in place
- reverse everything you did.
Viola - a working microwave vs purchasing a brand new for several hundred dollars or having to call in a technician.I love that my young kids did this project with me and we actually got it running. Don't like to have to throw away more items at the landfill.

Semi-Handy Man
1 person found this instruction helpful.
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Edward from ORCHARD PARK, NY
Difficulty Level:
Really Easy
Total Repair Time:
15 - 30 mins
Tools:
Nutdriver
Parts Used:
3B73362F
Door switch was burnt out
Removed outer cover

removed lower door switch

installed new switch

Wa La!
1 person found this instruction helpful.
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Jon from DANA, IN
Difficulty Level:
A Bit Difficult
Total Repair Time:
30 - 60 mins
Tools:
Pliers, Screw drivers
Parts Used:
3B73362F, 6600W1K001C
Microwave would not heat anything and turntable no longer turned.
I decided the door switch was the problem because 2 problems happened at the same time. I removed the 4 screws for the top outside cover and the 1 screw that held the control board. After removing the control board screw, I lifted it up and removed it. This gave me access to the 3 door switches. I then removed the 2 screws that held the plastic piece that holds the switches. This made it easier then to replace the switches.
1 person found this instruction helpful.
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Customer Reviews
Average Rating:
19 Reviews
4.5
out of 5
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Sort by:
Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
Model Cross Reference

This part works with the following models:

PartSelect Number: PS3522738
Manufacturer Part Number: 3B73362F
Brand
Model Number
Description
LG
2263672
Microwave - LG Microwave Model 2263672 Parts
LG
2263674
Microwave - LG Microwave Model 2263674 Parts
LG
2263679
Microwave - LG Microwave Model 2263679 Parts
LG
2263692
Microwave - LG Microwave Model 2263692 Parts
LG
2263693
Microwave - LG Microwave Model 2263693 Parts
LG
2263694
Microwave - LG Microwave Model 2263694 Parts
LG
2263699
Microwave - LG Microwave Model 2263699 Parts
LG
295
Microwave - LG Microwave Model 295 Parts
Kenmore
295.89998
Microwave - Kenmore Microwave Model 295.89998 (29589998, 295 89998) Parts
Kenmore
295.89999
Microwave - Kenmore Microwave Model 295.89999 (29589999, 295 89999) Parts
Kenmore
58066291690
Microwave
LG
60102
Microwave - LG Microwave Model 60102 Parts
LG
60109
Microwave - LG Microwave Model 60109 Parts
LG
60282
Microwave - LG Microwave Model 60282 Parts
LG
60483
Microwave - LG Microwave Model 60483 Parts
LG
61102
Microwave - LG Microwave Model 61102 Parts
LG
61109
Microwave - LG Microwave Model 61109 Parts
LG
61283
Microwave - LG Microwave Model 61283 Parts
LG
61289
Microwave - LG Microwave Model 61289 Parts
LG
62464
Microwave - LG Microwave Model 62464 Parts
LG
62469
Microwave - LG Microwave Model 62469 Parts
LG
62482
Microwave - LG Microwave Model 62482 Parts
Kenmore
62622200
Microwave - Kenmore Microwave Model 62622200 Parts
LG
62643
Microwave - LG Microwave Model 62643 Parts
LG
62752
Microwave - LG Microwave Model 62752 Parts
LG
62759
Microwave - LG Microwave Model 62759 Parts
LG
62772
Microwave - LG Microwave Model 62772 Parts
LG
62774
Microwave - LG Microwave Model 62774 Parts
LG
62779
Microwave - LG Microwave Model 62779 Parts
LG
63664
Microwave - LG Microwave Model 63664 Parts