Locate the thermistor in the refrigerator section; it’s under a small plastic cover attached to the surface of the back wall, side wall or ceiling.

How do I know if a thermistor is bad?

The most common way to know if a thermistor is bad if it starts displaying inaccurate temperature readings. This can be caused by excessive heat, improper handling, a thermal mismatch, or a dip in resistance accuracy due to regular use and age. An open circuit can also lead to thermistor issues.

Where is the thermistor located on a Whirlpool refrigerator?

There are two thermistors in the appliance. One in the freezer section behind the back wall, close to the evaporator. And in the fridge section it is toward the back wall of the fridge around the light bulb area.