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721804 Kenmore Microwave - Instructions

All Instructions for the 721804
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Items were not getting heated up in the microwave,
Easy, and the microwave still doesn't work.
Parts Used:
Microwave Micro Switch Micro Switch
  • Kenneth from CRYSTAL LAKE, IL
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
1 of 2 people found this instruction helpful.
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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
1 of 2 people found this instruction helpful.
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Wanted to see the instructions before I install it.
Wanted to see the instructions before I install it.
Parts Used:
Microwave Damper
  • Rene from MORENO VALLEY, CA
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    30 - 60 mins
2 of 5 people found this instruction helpful.
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Handle broken needed replaced
Took a putty knife and our the inside trim molding around the glass loose used a phillips screwdriver to remove old handle and install new handle popped trim piece back on.
Parts Used:
HANDLE,DOOR
  • Donna from PARKERSBURG, WV
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
1 of 2 people found this instruction helpful.
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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 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.
Parts Used:
Time Delay Fuse
  • Donald from Oak Ridge, TN
  • Difficulty Level:
    Easy
  • Total Repair Time:
    1- 2 hours
  • Tools:
    Screw drivers
3 of 10 people found this instruction helpful.
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Shaft socket was worn out
Pop old one out and replaced it with new one.
Parts Used:
Turntable Motor Coupler
  • Cesar from Miami, FL
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
0 of 1 people found this instruction helpful.
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light bulb replacement
very simple
Parts Used:
Light Bulb - 120V 30W
  • Marianne from CHURCH HILL, MD
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    Less than 15 mins
9 of 29 people found this instruction helpful.
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Had to lift on the door for the microwave to run, suspected the door switches.
Ordered the switches from Partselect, arrive in two days. Had trouble removing the plastic connectors from the old switch terminals, one of the plastic protectors broke, but was able to reuse it. It took a little figuring out how to remove the existing switches. Must push in a tab and rotate the switch on a little pin, then remove. Must be careful not to break the plastic tabs holding the switches in place. Replaced all (3) switches at the same time. All in all it was pretty easy.
Parts Used:
Micro Switch Switch,Micro
  • Arthur from Windham, NH
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Pliers, Screw drivers
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Broken handle
Very easy repair. I popped of the inside plastic door cover with a putty knife, removed screws to old handle, inserted new handle and reinserted screws and plastic cover. It was that simple. The complete job took me under 3 minutes.
Parts Used:
Door Handle
  • Dan from Bella Vista, AR
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
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Broken door handle.
Piece of cake. Pryed the cover off of the back of the door with a flat head screwdriver and then screwed in the new handle.
Parts Used:
Door Handle
  • Matt from Uniontown, OH
  • Difficulty Level:
    Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
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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!
Parts Used:
Glass Cooking Tray
  • Gena from ROSICLARE, IL
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
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Microwave would not heat food, but everything else worked.
Problem was a faulty door latch switch. I easily accessed the switch by removing the control panel, total of 4 screws. After that, just disconnected the three switch door latch assembly and connected the new one. Took about half an hour and was very easy. Unit works perfectly now.
Parts Used:
Holder Assembly,Locker
  • Samuel from Daleville, VA
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
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No Heat
1. Removed unit from the cabinet. (2 screws). 2. Remove the outer microwave metal shell. (10 screws). 3. Locate and remove part. (3 screws). 4. Install new part and replace all screws. 5. Install unit back into cabinet. So easy. I will share this site with all of my friends.
Parts Used:
Magnetron
  • Dennis from Chesapeake, VA
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
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Microwave Door Handle Busted Off (At Top Of Handle)
Easy as 1-2-3! Removed door from unit (top right hinge has an easy small lock that simply "snaps out" with a standard screwdriver. Placed door face down on table. Removed outer (perimeter) frame with standard screw driver, by plying up. Removed the two screws (to the handle) from the backside of door with a phillips screwdriver. Replaced with the new door handle and repeated the above steps in reverse. Done.
Parts Used:
Door Handle
  • Todd from Parker, CO
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
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Broken handle
I found and removed the clip for the door - top on the inside (not easy to find) and then removed the door. Called support who told me to watch you-tube and there were good instructions there. Needed needle nose pliers to hold broken screw and a screw driver that could fit between the metal. Flat head and phillips are required. OH you should try to leave the screw in the hole as getting it back there is a PIA. Took about 20 minutes and I am challenged mechanically. Altogether, not too bad.
Parts Used:
Door Handle
  • Chase from Tampa, FL
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
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All Instructions for the 721804
46 - 60 of 65