This bracket holds the metal or plastic flapper that closes off the exhaust duct when the fan is not running and opens when the fan turns on. If the exhaust fan on your microwave does not appear to be...
This metal vent damper door closes off the exhaust duct when the fan is not running to stop outside air from entering the microwave unit, and opens when the fan turns on to allow air to vent away from...
This mounting plate is a manufacturer-approved replacement part for your microwave. The mounting plate, or bracket, secures your above-range microwave in place against the wall. To conduct this repair...
This spring provides tension or controlled movement within the appliance mechanism. Engineered for durability, it supports smooth operation and helps maintain proper alignment of connected components.
This genuine LG component is an integral part of some LG microwave models. As an authentic OEM piece, you can rely on it to perfectly fit your appliance and function as expected. This particular assem...
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13 questions answered by our experts.
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Kathleen
October 20, 2024
How can I fix the flickering display on this less than two year old microwave?
For model number LMV1764ST
Hi Kathleen,
Thank you for your question. If the display on your microwave is flickering, we would recommend replacing the PCB main assembly. We hope this helps!
I broke the outer door glass. What is the part number for a new glass.
For model number lmv1764st
Hello Bruce, thank you for contacting us. According to our research, the part you are looking for is part number PS7788764. We hope this information helps!
Microwave turns on but doesn’t heat and the light and turn table don’t work. If I grab one of the connectors on the pcb board while the microwave is on and flex it some, the turn table and inside light come on. Is this a faulty board?
For model number Lmv1764st
Hi Kevin, thank you for reaching out. Yes, based on your description, the issue is very likely a faulty main control board, part number PS16223605, specifically a problem with the connection at that particular connector. The control board acts as the microwave's "brain," receiving user input from the keypad and sending electrical signals to components like the magnetron (for heating), the fan, and the turntable motor to execute the selected cooking program. You may need to replace the control board to fix the issue. We hope this helps.
My microwave fan will not turn off. I can make it faster or slower, but it will not stop. Is there a part to replace to fix this?
For model number LMV1764ST
Hi Jim, thank you for the question. Based on our understanding, the issue could be with the main PCB assembly, part number PS16223605. A relay on the board can get stuck in the closed position, keeping power flowing to the fan even when you press off. We hope this sorts out your problem!
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)
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.
