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Customer Questions and Answers for Dryer Switch Assembly by Whirlpool

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Manufacturer Part
4.89 (64)
By: Whirlpool
Part Number: OEM18039945
Manufacturer Part Number: WP8564012

Fixes dryer that won't start when button is pressed or runs without door closed. Restores reliable circuit control for start, stop, and safety functions.

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$49.51

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Questions & Answers

For Whirlpool Dryer Switch Assembly (Part Number: OEM18039945)

1 Answer

Hello Debi. The only thing left if all boards are new is a bad wiring harness on the unit. This is a control failure code.

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1 Answer

Mark, You most likely have a faulty motor WPW10463866. The dryer should not heat, unless the motor rotates and turns the drum. The idler pulley switch WP8564012 would eliminate power to the motor, if the belt were broken. Without a model number and wiring diagram that's as far as we can get at this point. If you need more assistance, please include a model number of the dryer when you re post. Thanks

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1 Answer

Hi Cathy. There is a thermistor on top of the blower housing assy. part # is WP8577274. This will sense the moisture in the blower exhaust and send information to the control board. Replace this part. Then clean your entire vent system. You have a blockage or a kink allowing the lint and moisture to build up internally into the dryer. This "ages" internal parts and failures occur. Clean the outside vent cap / hood also. Thank you.

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