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JES1139B General Electric Microwave - Instructions

All Instructions for the JES1139B
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Microwave dead--no LEDs lit on front panel
Removed microwave from enclosure and removed cover, hoping it was as simple as a blown fuse. Found extremely helpful diagnostic sheet thoughtfully provided by manufacturer in an envelope affixed to top of cavity. Fuse was fine, but tracing the power feed into the machine revealed that the oven cavity thermostat was open--no continuity across it, and the diagnostic sheet indicated that it was non-resettable. Verified the issue by temporarily by-passing the blown thermostat to ascertain that the front panel display got power. It took longer to get the screws for the cover and enclosure back on than it did to replace the thermostat, once I received the replacement part. Microwave works just fine now, thanks!
Parts Used:
Oven Cavity Thermal Cut Out
  • Steve from Redmond, WA
  • Difficulty Level:
    Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
37 of 45 people found this instruction helpful.
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I diagnosed the problem incorrectly: based on a previous repair.
The old fuse is perfectly good. The new ones arrived within a day.
Parts Used:
FUSE
  • Ralph from Brandon, FL
  • Difficulty Level:
    Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Pliers, Screw drivers
64 of 136 people found this instruction helpful.
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No heat in the microwave
We purchased our Microhood oven about 4 years ago along with the extended warranty package offered thru home depot. Within one year, the problems began. Each year the secondary switch would go bad rendering the microwave useless. If you have 3 small children like we do, you tend to use it a lot. We sure take the microwave for granted.

Each time G.E. would fix the problem at no charge. Ths time - the warranty had expired and GE wanted to charge us $80.00 for service call plus parts and labor. We estimated the cost to run at least $150.00 or more.

To top it all off, GE was going to have a service tech avail for over 2 weeks. This is poor customer service and completely unaccceptable.

Because this was a recurring problem, I figured it was the same part that had being going bad since we purchased the appliance. I decided to order the part "secondary switch" myself and attempt to fix the microwave on my own.

I ordered the part last Tuesday, the part arrived last Friday. Within 10 minutes I had the microwave apart, replaced the part and had the microwave back in working order.

PartSelect saved me over $100.00.

We are very satified with PartsSelect, I would recommend them to anyone
Parts Used:
Secondary Door Switch
  • Douglas from Mechanicsburg, PA
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
30 of 37 people found this instruction helpful.
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Everything worked on the microwave, except it would not heat anything.
The microwave had been working fine until one day when the timer counted down but the heating motor (or whatever you call it) would not come on. So the timer would count down but nothing inside would get hot. I did not know what it was for sure but decided to take it apart and look. Once I had the control panal off, I found three small wired switches inside. One of these switches appeared to have shorted out. So I searched online and found Partselect.com. I found a matching switch , ordered it (arrived in couple days), put it in, and VOILA it works! Thanks Partselect.com.
Parts Used:
Secondary Door Switch
  • Randy from Ottawa, IL
  • Difficulty Level:
    Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
27 of 34 people found this instruction helpful.
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appliance stopped working -- no readout on screen
1. turned off electricity -- unplugged the unit 2. removed 3 screws on top of top vent, removed vent screen then I located the little white cylindrical fuse and popped it out with a table knife. Then I popped in the new fuse. Replaced the vent screen and screws -- plugged in the appliance and it is working again.
Parts Used:
FUSE
  • Carolyn from ARMONK, NY
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
23 of 23 people found this instruction helpful.
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When opening door, the microwave would turn on
I've been fixing and taking things apart since I was a kid. I hoped that it was a bad switch in the door. Got out my test meter and check the 3 different switches. All 3 tested good, but one was a bit hit and miss. It would work if the microwave was on its side and wouldn't when it was set flat. I found the switch online and installed it. Took care of the problem.It was a whole lot cheaper than buying a new microwave. Thanks! Bill Brown, Fridley, MN
Parts Used:
Secondary Door Switch
  • William from Fridley, MN
  • Difficulty Level:
    Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
23 of 29 people found this instruction helpful.
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while cooking a big dish of food, the microwave just stopped and went black
Fortunately, my brother-in-law suggested it might be the "cut out" switch. After unplugging the microwave, I opened it up and identified one of two cut outs and removed the wires from each side of the cut out. To test if that was the problem, I connected the two wires together, bypassing the cut out. When I plugged the unit back into the wall socket, the lights came back on, and i ran the microwave for a few seconds. It verified that this was the problem. I ordered the part and when it arrived, I removed it with a philips screw driver and replaced it with the new one. I replaced the screw, buttoned the unit back up, plugged it in, and saved a few hundred bucks on a replacement microwave, and as important, saved our landfills and planet a tiny but.
Parts Used:
Oven Cavity Thermal Cut Out
  • Mark from South Jordan, UT
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
19 of 21 people found this instruction helpful.
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Suddenly had no heat. All else worked fine. A deep odd hum sound.
This did not fix my problem. I've ordered a new microwave.

First off, UNPLUG THE MICROWAVE.

The fuse is located under the plastic grill at the top of the microwave. It's held on by two screws. Once you've removed the screws and taken off the plastic grill, you go to the right side of the microwave and remove another screw that holds a small metal grill in place. Removing the small metal grill is probably the toughest part of this repair. You kind of have to rock it back and forth a bit to get it to release. Once that's off, you can get to the fuse. I removed the burnt out one with a pair of needle nose pliers. I also put a small piece of cardboard under the fuse when I did this so I didn't accidentally drop it into the innards of the microwave. I did the same thing when I replaced the new fuse. I then plugged the appliance back in and made sure it worked. Once that was confirmed, I replaced both grills.
Parts Used:
FUSE
  • Katherine from WILLIAMSTOWN, NJ
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Pliers, Screw drivers
15 of 16 people found this instruction helpful.
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After closing door the display panel must be tapped on to keep the unit operating.
The switches are not the problem! The problem is in the tolerences of the latch housing. I have ordered two new housings (Upper & Lower) and will see if the tolerences are closer. If not I will try epoxying a shim to the plate that operates the microswitches. The other option is to file the mounting slots of the housing to allow adjustment, which would be iffy,keeping them from moving with use. The exploded drawings really need to be clarified. The scale is way too small. It was extremely difficult to pick out the individual parts of the mechanisiam.
Parts Used:
Monitor Door Switch Secondary Door Switch
  • Paul from San Jose, CA
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
25 of 49 people found this instruction helpful.
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Touch pad failed to respond to any programming effort
Went to onlin source, found a couple youtube videos then went to the GE site which had a not-too-easy that find trouble shooting guide. It was extremely helpful as it described a fuse as a fix 80% of the time for touch paid failure. I really didn't believe it would b a fuse, but it was the cheapest fix, $8. I got the fuse and was surprised to fine there are two of them on this model. I took a guess and replaced the top one ( neither fuse was black or burned to indicate a failure but the top one was a bit mor greyish). put it all back together and it works fine.
Parts Used:
FUSE
  • charles from SARASOTA, FL
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
13 of 14 people found this instruction helpful.
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microwave stopped working
took off upper grille and touch pad and removed the old line fuse and replaced with a new fuse ...turned on it is working fine...sources of help: UTube and GE manuel
Parts Used:
FUSE
  • John from OWOSSO, MI
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Pliers, Screw drivers
13 of 14 people found this instruction helpful.
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Microwave went dead/no display
Took the cabinet off the microwave and checked for a fuse. Found that it was good, then checked for the voltage path to the controls and found the cavity thermal cut out was not conducting. Using a voltage meter to check things. Unplug the microwave for several of the tests. You must know how to work with electricity to do this. Installed the new part and the microwave now works. As a hint to what had happened my wife had heated a large casserole then right after that went to heat a smaller dish. At that time the microwave was hot and did not restart.
Parts Used:
Oven Cavity Thermal Cut Out
  • Glenn from Sparta, WI
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
13 of 14 people found this instruction helpful.
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Microwave would not go on
All electrical worked (fan, lights, control panel) door switch was broke. Pulled the oven out. Took out two big screws from the cabinet above. (be careful not to drop oven)Set the oven on kitchen counter. Took off five screws that held the vent cover. Removed vent cover. Took out one screw that held the control panel. Lifted, turned and slid the panel into the space below so I could get to the upper door switch. Replace door switch and re-assemble.
Parts Used:
Monitor Door Switch
  • Jim from Lincolnshire, IL
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
17 of 29 people found this instruction helpful.
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Microwave display showed nothing, no power.
Per the troubleshooting diagram inside the microwave oven, I discovered the one of the TCO was open (using Ohmmeter). Found my microwave oven model on PartSelect and used the diagram to select the TCO needed and placed order. Part came in three days, installed new TCO, reconnected wires and the microwave oven was back working in 10 minutes.
Parts Used:
Oven Cavity Thermal Cut Out
  • Bruce from Sammamish, WA
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
11 of 13 people found this instruction helpful.
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Microwave wouldn't start after "Start" pushed
Took cover off, noted the two side by side switches easily visible and we hought one of these was responsible. Then son noted a third switch at the top of the plastic assembly which inserts at an odd angle. When it was inspected signs of a previous short showed up with burnt contact points. Reinserted at same odd angle as there were guide holes, closed things up and oven worked 100%. Great prompt service and great website!! We will use you again
Parts Used:
Secondary Door Switch
  • Don from Monte Sereno, CA
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
11 of 14 people found this instruction helpful.
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All Instructions for the JES1139B
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