WRS315SDHW Defrost Thermistor Replacement

Written By: nicO
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WRS315SDHW Defrost Thermistor Replacement

Difficulty

Moderate

Steps

9

Time Required

15 - 30 minutes

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.

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    • Before you begin your repair, perform the following:

    • Turn off your main water supply

    • Unplug your device

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    • Depending on your repair, open one or both doors.

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    • Remove the drawers and shelves from the freezer section.

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    • Remove the screw(s) securing the evaporator cover.

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    • Lift the bottom of the evaporator cover up and over its lip in the chassis.

    • 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.

    • 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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    • Disconnect the thermistor from the wiring harness.

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    • Remove the thermistor.

Conclusion

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.

Author

nicO

Member since: 14/04/15

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