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★★★★★
★★★★★
Selena D - May 16, 2019
Verified Purchase
Easy repair
GE Microwave, early 2000's model. easy to diagnose problem through wiring troubleshooting flow chart. took longer to take the microwave down than to repair the part.
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Customer Repair Stories
Average Repair Rating: 3.1 / 5.0, 3 reviews.
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No power to microwave
Had trouble isolating the problem, so I had a repairman identify the problem, then I ordered the part and replaced it myself.
Removed screws holding the grill in place. Removed air filter, removed screw holding plate under the filter in place. Reached in under fan cowling to find the thermostat cut-out. Disconnected the two wir
... Read morees. Put the new thermostat in place. Replaced screws plates and filter in reverse order.
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James from Highland, UT
Difficulty Level:
A Bit Difficult
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers
14 of 21 peoplefound this instruction helpful.
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microwave dead
First, potatoe burned up in microwave. Microwave was dead. Took off cover and found maintaince repair pamphlet in envelope. Schematic showed one shot thermostat for fire. Ordered thermostat from you and installed it. Works fine.
Jerry from Lillian, AL
Difficulty Level:
Really Easy
Total Repair Time:
15 - 30 mins
Tools:
Pliers, Screw drivers
10 of 17 peoplefound this instruction helpful.
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Oven would not power up
There are 4 thermostats (aka TCO = Thermal Cut Out) in the GE JVM1440BH04 The schematic is under the cover in a black envelope to the top left of the unit if you face the door.
Check the fuse first. You can remove the front grate, then the numpad on the right. The fuse is right behind it. It's a 250V 20A Class F fuse.
... Read more/> There are four (4) TCOs or Thermal Cut Out thermostats in this puppy:
1) There is a thermostat behind the button panel to the left, facing down. If blown, it breaks the power coming into the unit and will cause a no power situation.
2) There is another TCO or thermostat near the top lamp, to the left, in a small cavity. That one also breaks power to the unit and will cause a no power situation. It's a 100 C / 0 C thermostat. This was the one that blew on me after I left the stove running (for heating in a black-out) under the microwave.
"Cavity TCO" or "Thermostat" part number 61 on the schematics, part number PS239319
3) There is yet another power-breaking TCO or thermostat in the cavity behind the fan that cools the microwave coils. You have to remove the sheet metal on the right of the microwave to access it. This one also breaks power and will cause a no power situation.
1), 2) and 3) should test out to be 0 Ohms with a resistance meter (Digital Multimeter) if working correctly.
4) There is a thermostat which normally does not let current through it. It is mounted in a vertical position to the back wall behind the front panel on the right. This one is used for the sensor reheat function apparently and will close when the temperature in the microwave reaches approx. 60 C.
4) should have infinite resistance with a resistance meter under normal circumstances.
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Andras from Lexington, MA
Difficulty Level:
A Bit Difficult
Total Repair Time:
1- 2 hours
Tools:
Screw drivers
44 of 59 peoplefound this instruction helpful.
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3 questions answered by our experts.
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Tony
February 16, 2018
If the wire on one side of this part is melted does it mean that part is bad? Or does it mean something else is wrong? The microwave works fine i just smelled burning wires and found this one melted wire.
Hello Tony, Thank you for your inquiry. You can test the part with a multimeter to see if it has continuity. The reading should be close to 0 ohms. If the wire has melted, for safety reasons, you should probably replace the wiring harness as well. Hope this helps!
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Wes
August 6, 2018
My microwave turns on on his own and show me massage ;shorted steam sensor; is this thermostat cut-out part #ps239319 will solve the problem? Thanks wes
For model number jvm1540sn1ss
Hello Wes, thank you for your question. Usually if the unit is starting on its own there is an issue with one or more of the three door switches. I would recommend testing them with an multimeter to verify which one(s) are faulty. You can also test the TCO thermostat, part number WB27X10195. You can test the part with a multimeter to see if it has continuity. The reading should be close to 0 ohms. I hope this helps!
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Joe
December 11, 2018
Is there a video of how to remove covers to get to components?
For model number jvm1750sp1ss
Hi Joe, thank you for your question. We do not have a video for your model specifically however we do have a video that shows how to generally do this. You can view it here: https://www.youtube.com/watch?v=-yUtoBg17Jg&t=6s. I hope that helps. Good luck with your repair.
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