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Appliance Repair Blog

How To Test GE Dryer Thermistor Temperature Sensor

Posted on July 30, 2011

Some GE dryer models that use a control board instead of a timer have a temperature sensor thermistor that controls the temperature of the dryer.  The thermistor measures the temperature of the air in the dryer so the dryer knows how hot to get.  When a thermistor fails, it can cause the dryer to not heat at all or heat up to the wrong temperature.

Here is how to test GE dryer thermistor part number WE4M275.  Remove the thermistor from the dryer, and with the thermistor at room temperature measure the resistance of the sensor.  At room temperature the thermistor should read approximately 100k ohms, if it is far off from this the thermistor should be replaced.

Resistance Values:

118-122k Ohms – 69°F (21°C)

98-102k Ohms – 77°F (25°C)

78-82k Ohms – 86°F (30°C)


Testing a good sensor:

Testing a bad sensor:

If your sensor is bad and you need to order a new one click the link below.

GE Temperature Sensor Thermistor – WE4M275

2 Thoughts on "How To Test GE Dryer Thermistor Temperature Sensor"

  1. Paul Butler Posted on October 11, 2013

    Very helpful information! Thank you for posting this. I was able to fix my dryer and actually determined that this part was not the issue. It was a Maytag Dryer, however they all have similar and sometimes the same parts and work the same.

    • Nelson Santiesteban Posted on August 28, 2020

      On the Gtd65ebsjws GE dryer, if the outlet thermistor is bad will
      It cause the dryer to start for a minute or two and stop?

      My dryer works when I use the Timed option.
      If I use a preset the dryer starts and stop,,if I hit the Start if will work but stop in a minute or two.

      Not sure which thermostat or thermistor would be the fix.

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