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Customer Questions and Answers for Thermostat, Defrost by Whirlpool

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    • Part Number: AP4070255
    • MFG Part Number: 61005254
    • Made by: Whirlpool
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For Whirlpool Thermostat, Defrost (Part Number: AP4070255)

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I just installed a new themostat wpl61005254 and defrost heater. After installation I put fridge in defrost mode and checked voltage. It only read 80v and 30v on the blue and white wire. (v in&out) The original thermostat read 120v and 20v-or something small. I assumed the timer is OK getting 120v in. Is it possible when I checked the new one, it was not cold enough to get 120V?

Tom for Model Number crosley ct15a2w

ANSWER Tom, Temperature has nothing to do with the voltage. There should be 120 VAC into and through the entire circuit. (unless the defrost thermostat is an open circuit, due to it being warm). There should be 120 VAC into the thermostat on the blue wire, out of the thermostat on the white wire, into the heater, through the heater and at the yellow wire out of the heater to the defrost timer, as long as the temperature control is a "closed" circuit and the refrigerator is cooling. With the voltages you posted, there's a loose connection or damaged wire in the harness. The neutral portion of the circuit is accomplished through the yellow wire(terminal 2) and white wire(terminal 1). Do all of the voltage checks to chassis ground, on all the connections, this will verify wether you have a loose connection, or and issue in the neutral circuit at the timer. Thanks 

Answered by AppliancePartsPros.com   |   Friday, August 31, 2012

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