All Installation Instructions for ACM1420AB

The inside latch for the microwave door broke, preventing the push button from working and the door from opening.

The built-in microwave was removed by taking off the front plate that was secured by 3 screws at the bottom. The unit was moved to the side slightly so that the power cord could be disconnected. Then the entire unit was withdrawn. The outer shell of the unit was taken off by removing the six screws holding it in place. The shell may need to be shifted slightly to separate it from the unit. Once removed, the bracket latch and opening mechanism for the door was revealed. The latch is inserted simply by aligning the two nipples with the correponding holes in the opening mechanism and gently pushing it into place. The latch is plastic and appears to be vulnerable to breakage over time through constant use, so I have ordered a spare should the problem reoccur.

Parts Used:

Latch Bracket

Edward from Spring Branch, TX
Difficulty Level:
Easy
Total Repair Time:
30 - 60 mins
Tools:
Screw drivers

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My glass tray broke in the microwave.

I called to make sure I was replacing the correct part. I paid over the phone and it came the next day. Very very easy process.

Parts Used:

Glass Carousel Tray

Karen from Studio City, CA
Difficulty Level:
Really Easy
Total Repair Time:
Less than 15 mins

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Two of three roller arms broke under microwave round glass tray.

Lifted old one out, put new one in. No problem.

Parts Used:

Turntable Roller Guide

Cuthbert from Valparaiso, IN
Difficulty Level:
Really Easy
Total Repair Time:
Less than 15 mins

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Microwave would not cook

All the electrics worked on Amana microwave EXCEPT for the cooking function. Inspected the control board and found the upper switch on the door interlock was burnt. Installed new switch in minutes and everything now works fine. Unfortunately, had to purchase expensive two switch "kit" although only one switch was kaput. PartsSelect mailing was SUPER fast. Thanks for looking, Scott

Parts Used:

Door Interlock Switch Kit

Scott from Mickleton, NJ
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers

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Turntable roller guide broke

Pulled out broken roller guide, replaced it with new one. It was just that easy.

Parts Used:

Turntable Roller Guide

Michael from Englewood, CO
Difficulty Level:
Really Easy
Total Repair Time:
Less than 15 mins

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Microwave failed to head and light, fan, and turntable failed to come on.

Problem was due to a faulty door switch. Replaced with a new switch and the microwave now works fine! Only thing that was tricky was that LG uses the hex screws with a peg in the middle to keep the microwave cover on. Had to use a small screwdriver and pliers (on the screwdriver) to unscrew the screws.

Parts Used:

Micro Switch

Robert from Cedar Park, TX
Difficulty Level:
A Bit Difficult
Total Repair Time:
30 - 60 mins
Tools:
Nutdriver, Screw drivers

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Carousel would not turn. Small plastic drive shaft broken.

Pried cover off bottom-center of microwave. It seems to be either glued or lightly tack welded. Removed 2 small Phillips screws to remove motor. Disconnected electric feed by hand. Don't let go of electric wire or small screws. They will be hard to retrieve from behind the rest of the metal base. Reverse process to install new motor. Didn't try to put small cover back on.

Parts Used: