Defrost Temperature Sensor Test

The defrost thermostat a bi metallic switch controls the temperature rise in the freezer compartment during the defrost cycle.

Defrost temperature sensor test.

If you find that you have a bad defrost heater and you need to purchase a new one. This video from sears partsdirect shows how to troubleshoot problems with your refrigerator s thermistor or temperature sensor if your refrigerator is not cooling at the right temperature. Learn how to test the thermistor to see if it s working. Once the temperature reaches a preset level the defrost thermostat.

A thermistor changes resistance based on the temperature it is exposed to. In order to test you can measure the ambient temperature make the sensor is removed and acclimated measure the ohms of resistance and compare to the manufacturer chart. Also see how to check the wires that connect the thermistor to the electronic control board to make sure the problem isn t with the wiring or the. There is a lot of misinformation on testing the defrost thermostat.

The sensor shown in the video is part da32 10104n pd pd00026468 b. This video shows the proper way to test your defrost thermostat. You can purchase one from amazon by clicking this link.