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    • Part Number: AP4309018
    • MFG Part Number: 2323197
    • Made by: Whirlpool
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For Whirlpool Heater (Part Number: AP4309018)

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My fridge is not self defrosting and the water replace filter light is blinking yellow. I have replaced the bi-metal already and that did not help. Although after I defrosted it, the light stayed green for 10 minutes or so before it started blinking again. What I am wondering is if the heater needs to be replaced next or the defrost control. I have read about checking the resistance on the heater, but does that need to be done at room temp or when the heater is cold?

Matt for Model Number ED2FHEXTL00

ANSWER Matt, You will need to replace the defrost control. The light flashing is an indication that there is a problem with the control board W10366605

Answered by AppliancePartsPros.com   |   Friday, April 05, 2013

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