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WM2780B Jenn-Air Microwave Oven Combo - Instructions

All Instructions for the WM2780B
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No temperature control
Turned off breakers to oven. Removed two screws that held oven in cabinet. Removed oven door by opening slightly and pulling up on door. Pulled oven out 1/3 of way. Took out four screws on top of control panel. Took oven light switch off by unscrewing holding ring. Removed temp knob on right by pulling. Removed start / stop knob same way.Removed glass straight out. Removed four screws that held elecrtonic clock conrtol board. Unpluged three wire plug from right side and the nine wire plug from the left side. Worked board out at and angle. Went backwards to connect and replace board, screws and door.Slid oven back in and tested oven after turning breakers back on, worked like new.
Parts Used:
Long Oven Sensor
  • Max from Houston, TX
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
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oven would heat for 3 hrs and then shut off off and could not turn back on till cool
First cheapest try, removed top cover,three screws on each side .replaced thermo snap overheat switch,not the problem. Then I ordered a timer controller removed three screws above and inside the front panel and it drops forward to access the controller. Removed 4 screws and four pulloff connectors and replaced the controller.Cured problem.Diagnosis was the hardest part of the repair.
Parts Used:
Electronic Timer/Clock
  • steve from denair, CA
  • Difficulty Level:
    Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Nutdriver, Screw drivers
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Oven Temperature was 50 degrees low
Took screws out of the back on the side the sensor was on, unplugged it & took out the two screws on the inside of the oven to release the sensor. Put new sensor in place with the two screws & used one of the adapters to plug in the new sensor. Put screws back in the back panel & turned on the oven which unfortunately is still 50 degrees low. Need a new clock with computer which is out of stock & unavailable. I was an electrician for 25 years so didn't experience any problems. It was a cheap thing to try.
Parts Used:
Long Oven Sensor
  • Eugene from Clinton, IA
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
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Oven would not heat
I opened the oven door and unscrewed the two screws that connected the element to the back of the oven. I then pulled the element forward but it would not expose the electrical connections that powered it. I pulled a little harder and it would not pull through the insulation. I then decided that it must be accessable from the back. I took off the door the lighten the oven. I pulled the oven out of the cabinet till the conduit was taught and I could just barely see that there wasn't a panel to access the connection. I then put the back into the cabinet and pulled a little harder yet on the element and the connecters pull through the insulation. I was then able to test the element with the multimeter and decide the power was getting to the element but no heat. I ordered the part the next day. Recieved it the day after that, smokin' fast service I must add. Installed the element and it works like a new one. My wife loved it and then she loved me.
Parts Used:
Bake Element
  • Ken from Greenfield, IN
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    More than 2 hours
  • Tools:
    Screw drivers
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Bake Element Stopped Heating.
I removed one screw easily. The other screw was difficult to remove without stripping it. I sprayed wd 40 and let it sit overnight. The next day, my husband sprayed it again and after trying several different size phillips screwdrivers, he got the second screw out. He easily removed the element and then the two wires from it. He attached the two wires and replaced the screws. We tested it and it worked. The best part is: my husband scrubbed the oven before putting all the parts back!
Parts Used:
Bake Element
  • Paula from Green Village, NJ
  • Difficulty Level:
    Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
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oven not heating to set temp. 100 degrees too cold
installed part,turned unit on-temp still cold. reset digital control, up 35 degrees, still cold. un-plugged unit,re-connect after 10 min. still cold.
Parts Used:
Long Oven Sensor
  • Robert from Funston, GA
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
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the fan started making noises like it was shaking
I pulled off the facia from the microwave/oven. Unscrewed the plate holding the microwave and slid out the microwave. The microwave and oven are a unit. I unscrewed the oven from the hole it sits in and slid out the oven and set it on a sturdy chair. Then I unscrewed (6 screws) the bracket that holds the microwave to the oven. After that I unscrewed (14 screws) the top sheetmetal plate on the oven and slid that around behind the oven. Then I unscrewed the grounding strap inside. Did the 2 screws on each side of the oven holding the fan unit and slid that out. Undid the 2 wires plugged into the motor and the 2 screws holding the fan motor. Then I slid off the fan from the old motor and slid it onto the new motor and reversed the whole process.
Parts Used:
Cooling Fan Motor
  • Jerry from Rocklin, CA
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
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Oven would not heat
Spoke to your very helpful staff, who advised me that a likely problem was the oven sensor. I took a chance and ordered the part, which came promptly. Your service video for the part was most helpful in my decision to try the part. Installation was a breeze, but it was the oven controller board that had failed and not the oven sensor. That called for a service professional, who ultimately fixed the problem. Your service though, was excellent and I would highly recommend you to others.
Parts Used:
Long Oven Sensor
  • francis from mount holley, VA
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
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Bake element burned out/arced
Removed old element, 2 screws, cleaned oven , 60 minutes, replaced with new element, working like new, wife thoroughly impressed...
Parts Used:
Bake Element
  • William from GAINESVILLE, FL
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
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Oven temperature fluctuates
Replaced the thermostat according to existing videos and had to adjust the thermostat using instuctions in the user manual for model CWE4800ACB.
Parts Used:
Long Oven Sensor
  • Larry from SOLON, IA
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
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Oven would not hold temperature, not turn on, and would shut off during use.
Extremely simple repair to make. Move stove away from wall and disconnect power. Remove the oven racks. Remove the rear sheet metal panel covering the wiring harnesses. Caution: Sharp edges and corners on sheet metal.Sensor is located in upper left corner on rear oven wall. Using a long-shafted #2 Philips screwdriver, remove the two Philips head screws and gently pull the sensor 1" away from the oven wall. At this point, it will help to have an assist from someone while you are behind the range. Have the assistant gently tug on the sensor while you watch for wires moving on the rear of the range. After locating the sensor wires, gently disconnect the plastic connector clip. Note: plastic connectors become brittle with age and exposure to heat Move to front of range and gently remove sensor from rear wall by pulling the wiring through the oven wall. Before inserting the new sensor wire through the oven wall, "dry fit" the wiring connectors to see that the new sensor is a correct connection. Make connection, and secure the sensor to the rear oven wall with the two screws. Install racks, reinstall rear sheet metal panel, and connect the power. Set the oven baking temperature to a moderately low temp, 300 - 350 deg. to test the new sensor.
Parts Used:
Long Oven Sensor
  • John from Arvada, CO
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Nutdriver, Screw drivers
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Needed replacement oven rack.
Part was perfect fit. Good product, good value, great service.
Parts Used:
Oven Rack
  • Bobby K. from Huntsville, TX
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    Less than 15 mins
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No problem installing the sensor
I removed the two mounting screws and pulled the harness through the opening unsnapped the sensor from the harness and installed the new sensor i didn't have to used the adapters the new sensor fitted
Parts Used:
Long Oven Sensor
  • tommy from FAYETTEVILLE, NC
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
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Oven would over heat and produce a F2 error code on the display. It would not turn off or cool down until I switched the circuit breaker off.
I switched the oven sensor easily enough, but it did not remedy the problem, so we are in the process of replacing the oven since it's about 20 yrs. old.
Parts Used:
Long Oven Sensor
  • richard from SAINT MARYS, KS
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
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"F3" error message and no oven heat
Unplugged the range, removed screws holding the old sensor. When I pulled it out, the wire connecting to the sensor was completely broken through,therefore I could not just pull the wire to get to the connector. Unscrewed one side of back panel to access the connector. Pushed the connector and wire of the new sensor through the hole ( and behind the insulation), disconnected the old sensor and connected the new one. Re screwed the new connector in place plus rescrewed the back panel. Plugged the range in and - Viola! Everything now works like a charm and I have my oven back. Easy-Peasy. Oh - I am an older female with very limited DYI experience. I just saved myself $650.00!
Parts Used:
Long Oven Sensor
  • Pat from PAYSON, AZ
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
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All Instructions for the WM2780B
46 - 60 of 154