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Customer Questions and Answers for Heater Assembly Complete by Whirlpool

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    • Part Number: AP4290655
    • MFG Part Number: Y303404
    • Made by: Whirlpool
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For Whirlpool Heater Assembly Complete (Part Number: AP4290655)

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I just replaced the heater assembly with new unit and still getting no heat from the dryer. The new assembly reads about 10 ohms, the old unit reads open.

Tom for Model Number de482

ANSWER Tom, since you have a meter, you will need to check both thermostats for a "closed" circuit at room temp. with the wires off the terminals. The cycling thermostat (on the blower housing has 3 terminals, the single terminal on top does not need to be checked). You may want to check for voltage to the element, but be careful. disconnect the wire from the hi limit thermostat that attaches to the element terminal. start the dryer in a heat setting and check from the vacant terminal to chassis ground, if you read 120 VAC your timer and thermostats are OK, if not you'll need to check th wiring and components back and up to the timer. Check from the end of the disconnected wire to chassis ground, you should read 120 VAC, the wiring and motor switch heat circuit is OK, if not you'll need to check the the wiring back to the motor switch and back up to the terminal block on the back of the dryer. Good Luck and Thanks 

Answered by AppliancePartsPros.com   |   Tuesday, January 24, 2012

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