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Customer Questions and Answers for Thermostat by Ge

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Manufacturer Part
4.89 (64)
By: Ge
Part Number: OEM15530445
Manufacturer Part Number: WB20X10048

The Thermostat is an OEM part for GE microwaves. This part regulates the temperature within the microwave, ensuring it operates within safe and efficient temperature ranges. It helps prevent overheating by monitoring and controlling the internal temperature, protecting both the appliance and the user.

Causes of a bad thermostat can include wear and tear over time, electrical malfunctions, or damage from power surges.

Symptoms of a bad thermostat include:

  • Microwave not heating properly
  • Overheating or shutting off unexpectedly
  • Error codes related to temperature issues
  • Inconsistent cooking times

This OEM GE part is also compatible with Hotpoint, RCA, and some Kenmore models.

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Questions & Answers

For Ge Thermostat (Part Number: OEM15530445)

1 Answer

David, The 2 most likely causes for the unit shutting down during the middle of cooking and then coming back on after about 20 minutes would be either a faulty cavity TCO WB20X10048 or the Low voltage transformer WB20X10023.

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Ed C. for Model Number SCA1000DWW03

My advantium 120 is completely dead. I was told to check the fuse and the TCO's. The magnetron TCO is closed as I saw it opens at 302°. I was told by a tech that the hood TCO WB21x10045 was normally closed. The part in the oven is Open, and the replacement part I ordered arrived open, and another arrived open. So I am wondering about it is it open or closed?. If this part was open would that be the cause of a complete oven shut down? The only thing I did not test was the Wb21x10046 TCO, as it seems hard to get to. Again if this was bad would the oven completely shut down and is it normally open? Any other ideas are appreciated. Thanks

1 Answer

Hello Ed, One of the thermostats behind the control panel is supposed to read open and the other closed. The oven cavity TCO WB20X10048 should read closed. This is the common one to fail although it is harder to reach. It does kill power to the units' control panel and the unit will do nothing. Note the tech sheet should be in the unit behind the control panel. It will have a wiring diagram on it which shows the units circuitry.

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John for Model Number ZSC1001KSS01

Micro was sparking at tip of magnetron inside the oven behind the waveguide cover. Took magnetron out (the label on it reads: LG 2M246 050GF) and magnetron tip cover was partially melted. Took waveguide cover off and noticed it was burnt too. I am going to order a new waveguide cover. If I order a new magnetron (#73 on parts diagram - it is an LG 2M246 050GF) do I also need to order a new diode (#143 on parts diagram) or do your magnetrons come with this as part of the magnetron assembly? Also since I removed the magnetron I can see what model it is as referenced above. When I search for a replacement on Google your site pops us with the following link: http://www.appliancepartspros.com/lg-magnetron-6324w1a001h-ap4439646.html This appears to be the part I need, however when I use your appliance compatibility tool it says the part is incompatible. This does not seem possible, can you please explain? Thanks.

1 Answer

John, The magnetron that would be needed on your unit would be WB26X32629 and would not come with the diode. The diode does not have to be replaced with the magnetron.

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1 Answer

John, It appears that magnetron TCO will open at a temperature of 302 degrees. If there is an open reading then it is bad. The Hood TCO should open at 133 degrees. The hood TCO part number is WB24X31473 and the magnetron TCO is part number WB21X10054

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1 Answer

Hello John. Uninstall the microwave and remove the outer cover to access and replace the TCO.

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1 Answer

Hello Stan, You will need to determine if the damage incurred is to the hinge, the body, or the door and determine from the parts illustration which parts you need to replace. Note the hinges are part of the cavity assembly and the cavity assembly is not considered a serviceable part, (not available as a replacement part), so if the damage cannot be corrected by servicing the door assembly, it will be non-repairable.

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1 Answer

Dan, You will just want to cut the wire and crimp on a new connector as the wire harness is not available for replacement. The connector should be a 1/8" or 1/4" female spade connector.

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1 Answer

Terry, You will want to check to make sure that the convection fan is running. If the fan is not running it will affect the temperature during the convection. There is also a thermistor that reads the temperature inside the unit that you will want to check.

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1 Answer

Hello Bruce! Unfortunately, the manufacturer does not offer any electrical parts available for model WES1450DN1BB. Sorry about that!

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1 Answer

Hello Mike. Yes, if it is open, you will need to replace the cavity sensor on the unit.

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