Pretty easy fix when found out there were three micro switches and used ohm meter to find defective switch problem.I figured from online searching one or more switches were bad. Find LG Microwave Switch Parts at RepairClinic.com. They're mounted on a plastic post with little clips and you really have to twist/pull in a tight area with limited room for tools to grab.
The door switches are in a plastic piece that is held in place with 2 Philips head screws. We're open and continuing to ship packages. ~$15 total and fixed.Took the MW apart via removing the three screws on the sides and the screws on the back(some nut had put tamper proof torex with a pin in the center to stop me from removing them, vice grips did the job). They all had continuity when they should have and none when they shouldn't. $9.89/ea. I had to also buy security torx bits to get into the microwave. Took it apart and tested the switches and found two of them to be bad. Get your LG Micro Switch - 3B73362F fixed today - Fast, easy ordering and same-day shipping. How to Troubleshoot & Replace LG AP4437957 / 3B73362F Microwave Door Switch Honest and unbiased advice from your neighbors - see how easy it is to troubleshoot, repair, and replace LG AP4437957 / 3B73362F Microwave Door Switch! Husband and wife team figured it out!Through a little research I determined that the primary door sensor on the microwave was bad.
Replaced lower door latch switch, which was defective. The replacement was easy. This model Kennmore Elite is made by LG.Search Internet and the the door switches were likely the problem. Problem was the upper door switch. This micro switch (part number 3B73362F) is for microwaves. Found it by opening up the cabinet, removing the display panel (1 screw and a couple of plugs) and testing all three micro switched with a meter. Details about OEM LG 3B73362F Microwave Oven Micro Switch . 3B73362F, SWITCH,MICRO, LG Parts and Accessories, LG Appliance Parts and Accessories, LG Freezer Parts and Accessories. Cost just $15 and a little time, and saved probably $70 - 100 over calling in a professional repair person. Dennis M. • Chapel Hill, NC • February 16, 2015Andrew D. • Lawrenceville, NJ • February 02, 2015Shawn H. • St. George, UT • January 18, 2015Julius D. • Oxford, PA • February 11, 2017Lewis S. • Fayetteville, AR • July 19, 2016Ray K. • Sioux Falls, SD • August 24, 2014Marc T. • Reno, NV • August 20, 2016Matthew B. Condition: New. $10.44/ea.
Micro switch 3B73362F is located in the latch board and monitors the position of the door. LG Electronics Inc. is a South Korean multinational electronics company that manufactures electronics, appliances and mobile devices with innovative technology and designs.
It should last many years.
I couldn't tell from testing them so I ordered all three switches from Appliance Pros. Two switches are for the door and one for some kind of ventilation flap. I found them at my local hardware store. OEM LG 3B73362F Microwave Oven Micro Switch . LG Genuine OEM 3B73362F Microwave Micro Switch. 3B73362F, SWITCH,MICRO, LG Parts and Accessories, LG Appliance Parts and Accessories, LG Freezer Parts and Accessories. You have to remove the upper vent guide (it pulls out) to expose the single Philips head screw that holds the right-side panel in place. AppliancePartsPros got the identified parts to me quickly. ... (1 screw and a couple of plugs) and testing all three micro switched with a meter. Buy 2. LG Kenmore Microwave Oven Microswitch 3B73362F Part Number 3B73362F (AP4437957) replaces 3B73362E, 6600W1K004C, 6600W1K004F, 6600W1K003D, 6600W1K003C, 6600W1K001D. LGs philosophy revolves around people, sincerity, and sticking to the fundamentals. (Or more if we'd decided to just replace the micro.) Bulk savings: Buy 1. Once removed, the right-side panel lifts out. Product Description Micro oven door switch for some models of LG microwaves. Eventually an F5 code would display. Be careful not to break the pieces holding the switches. The 3B73362F LG Microwave Oven Door Switch is a stocked item and ready to be shipped to you today. I just threw them away. This is a genuine OEM item made by LG. VIEW CART. Thank you! We carry parts and accessories and work directly with appliance manufacturers for difficult-to-find parts. LG Electronics Inc. is a South Korean multinational electronics company that manufactures electronics, appliances and mobile devices with innovative technology and designs.