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Customer Questions and Answers for Diffuser by Whirlpool

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    • Part Number: AP3046080
    • MFG Part Number: 2209751
    • Made by: Whirlpool
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For Whirlpool Diffuser (Part Number: AP3046080)

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About a month ago I noticed my freezer was frosted over pretty good and I did not do anything about it at the time. I recently realized that the fridge side was not holding temperature below 42 degrees. I read about similar problems in previously asked questions and I removed the difusser housing and maually opened the diffuser, I guess I will find out in the morning if that was the problem. If so do I just replace the flap mechanism from the fidge side or is there something on the freezer side that needs to be replaced? Also, what would cause my freezer to frost up like it did before everything else happened?

Mario for Model Number KSSC48QMS 02

ANSWER Hi Mario. Your unit is a self defrosting unit. Every 6-8 hrs / 24 - 7 the unit will turn off the run time and then send 120 vac to the defrost thermostat part # 2306462 and then if it is closed (normally in frozen temperatures) It will pass the voltage to the defrost heater part # 2306389. This defrost control board or timer will allow it to stay on for aprox. 20-25 mins. untill the inside temp reaches 40 ° approx. and then the defrost thermostat now opens and stops voltage to the heater protecting cabinet damage. Therefore the damper was more then likely ok unless the damper motor could not regulate the opening / and / closing of the damper. You will need a volt/ohm meter to check the parts. In the frozen temps. your defrost thermostat will be closed-o-ohms. The heater will read resistance of approx. 11-18 ohms, not open. Then you need to advance the unit into defrost and check for 120 vac going to the thermostat and the white neutral wire. This will tell you if the control board is ok part # 2320696. Your wiring diagram is with the controls section. Thank You. 

Answered by AppliancePartsPros.com   |   Saturday, February 25, 2012

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