How to check thermistor on dryer. A thermistor is a component in a dryer that helps to regulate the temperature inside the appliance. If the thermistor is not functioning properly, it can lead to issues with your dryer's performance and potentially even damage to the appliance. In this article, we'll explore the steps involved in checking a thermistor on a dryer.. Dryer not heating? The thermistor could be faulty. This video will show you how to test a thermistor to see if it is causing your problem.
A thermistor fails due to broken wires between the thermistor and the control board, short circuits, damage, and aging. When you notice any unusual thermal change in your appliance, it's ideal to test a thermistor with a multimeter. A thermistor is a semiconductor with more resistance than a conductor and lower than an insulator.. Use this guide to test the hi-limit thermostat/inlet thermistor on your Whirlpool Dryer and replace it if necessary. These components are combined into one unit, so if either component fails, you will need to replace the whole unit. These components control your dryer's temperature.