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Customer Questions and Answers for Hi-Limit Thermostat by Whirlpool

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    • Part Number: AP4036890
    • MFG Part Number: 303396
    • Made by: Whirlpool
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For Whirlpool Hi-Limit Thermostat (Part Number: AP4036890)

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The moment my Atlantis Dryer begins to get hot, my breakers at the main house fuse box trips. The dryer will run all day on air fluff. Only happens under heat.

Justin for Model Number mde7400ayw

ANSWER Hello Justin, First check the breaker, receptacle, and the power cord connection to the terminal block. Look for discolorations and/or malforming of the rubber and plastic parts. If this isn't it, use a test meter and unplug the unit. Test from ground to each of the flat spades that plug into the receptacle, (the side spades. The one in the center is neutral and this wouldn't be a good test). You see, the breaker is tripped by an excessive current flow. This means that there is either a point of high resistance, (poor electrical connection), or a short, (not likely if the breaker doesn't trip immediately when the heat is on). Chances are high that you will either find a discolored wire where the connection is loose or a power supply issue such as a worn, loose receptacle. 

Answered by AppliancePartsPros.com   |   Saturday, July 07, 2012

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