Defrost Temperature Sensor Test

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.

Defrost temperature sensor test.

If your defrost heater has a defrost thermostat wired in series like mine you ll need to make sure the thermostat has cooled down below its closing temperature before doing the ohm test. This video shows the proper way to test your defrost thermostat. The defrost thermostat a bi metallic switch controls the temperature rise in the freezer compartment during the defrost cycle. You can purchase one from amazon by clicking this link.

A thermistor changes resistance based on the temperature it is exposed to. Step by step instructions on how to test temperature sensor in a samsung refrigerator. There is a lot of misinformation on testing the defrost thermostat. A defrost sensor is generally a thermistor.

The sensor shown in the video is part da32 10104n pd pd00026468 b. 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. Once the temperature reaches a preset level the defrost thermostat.