Introduction
Use this guide to replace the defrost thermistor in your Whirlpool WRS315SDHW Refrigerator.
The defrost thermistor measures the temperature of the evaporator in your freezer during the defrost process and allows the main control to cycle the defrost heater. If your defrost system doesn't work properly, your defrost thermistor might have failed.
To replace the refrigerator thermistor, follow this guide instead.
Note: Some photos show the doors removed for clarity purposes. Removing them is not required and will not change the procedure.
What you need
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Lift the bottom of the evaporator cover up and over its lip in the chassis.
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Pull the cover toward yourself to release its top clips.
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Continue pulling the evaporator cover towards yourself to unclip its metal prongs from the chassis.
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Remove the evaporator cover.
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Use a spudger to push the tip of the thermistor through its slot in the wire harness.
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To reassemble your device, follow these instructions in reverse order.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Ask our Answers community for help.
To reassemble your device, follow these instructions in reverse order.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Ask our Answers community for help.
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