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Customer Questions and Answers for Thermistor by Whirlpool

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    • Part Number: AP4113421
    • MFG Part Number: 99002565
    • Made by: Whirlpool
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For Whirlpool Thermistor (Part Number: AP4113421)

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My dishwasher no longer runs "Heating Delay" when filled with cold water and runs wash cycle right away same as when filled with hot water. Then sometimes when 42 min. left the "heating delay" LED comes up but no voltage is coming to the heater element and machine gets stuck in this condition and runs forever until I manually press the "Drain/Off" button. Heating element works fine when machine doesn't get stuck and dries the dishes. I tested the Thermistor and it reads 75K ohms at room temperature and 25K ohms when machine is filled with hot water. So, it seams to be working, but your previous answer said that it should read about 10K ohms at room temperature. My question is: do I have bad thermistor or bad control board or maybe both?

Slava for Model Number MDB7100AWB (11 years old)

ANSWER Hi Slava. You will need to change the thermistor part # 99002565. Thank You. 

Answered by AppliancePartsPros.com   |   Thursday, January 12, 2012

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