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MA-972MW
MA-972MW LG Microwave
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Common Problems and Symptoms for MA-972MW
Viewing 3 of 3Won’t turn on
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How to fix it
No heat
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Door not closing properly
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How to fix it
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- Customer:
- Eileen from DETROIT LAKES, MN
- Parts Used:
- 1B71961H
- Difficulty Level:
- Very Easy
- Total Repair Time:
- Less than 15 mins
Broke the round glass tray
new glass tray
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- Customer:
- Donald from Oak Ridge, TN
- Parts Used:
- 3B74133Q
- Difficulty Level:
- Easy
- Total Repair Time:
- 1- 2 hours
- Tools:
- Screw drivers
Microwave operated but did not heat
Initial failure of over range microwave Aug 3rd. Control Panel worked but no heat. Took to local LG authoriaed local repair place. They fixed it quickly and we re-installed it. Worked fine for 2 months then had similar failure again. Agaim took to same authorized repairer. They kept unit for 3 months but finally concluded theu could not
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fix it and suggested we contact LG for a partial refund. When they tested the unit during re-assembly in my presence, there was a blue flash and the fuse blew. Since we had built a custom tile mural back splash around this unit, I brought it home, ordered a number of time delay fuses new capacitor and two new high voltage diodes. However, using my Fluke DMM, I checked the existing capacitor and high voltage diode and they checked OK so I just replaced the time delay fuse. The high voltage transformer leads had 2 possible ways to connect to capacitor and diode. Tried one way, plugged unit in and turned it on, and immediatly blew the fuse. Replaced the fuse and reversed the high voltage transformer connections,amd turned unit pn, and it worked perfectly. Since we had experienced several power failures during the time of the original failure, the repairer concluded that power spikes might be at fault, so I also purchased a TrippLite ISOBAR4ULTRA 3300 Joule surge protector between wall outlet and microwave, and re-installed over range. It has worked perfectly since.
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- Customer:
- Gena from ROSICLARE, IL
- Parts Used:
- 1B71961H
- Difficulty Level:
- Really Easy
- Total Repair Time:
- Less than 15 mins
Broken Tray ,Glass
Received my replacement Tray,Glass in only 2 days. Opened it and placed it in the Microwave. Yep, it was that easy!
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