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Customer Questions and Answers for Transformer (stepdown) by Whirlpool

    • Part Number: AP4097740
    • MFG Part Number: 74005416
    • Made by: Whirlpool
    • Not Available

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For Whirlpool Transformer (stepdown) (Part Number: AP4097740)

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I had power outage and now oven is in-operative, both oven and display panel. Checked circuit breaker and circuit is not open. I think the power supply unit was affected.

Jimmy for Model Number jjw8530dds

ANSWER Hello Jimmy, You want to check power to the control board. Check connector L1 to N to see if you have 120vac. If you do not have 120vac then you need to check the wiring back to the terminal block. If you do have power then you would need to replace the control board 74009714. You can test this with a multi-meter TJMA-DMT3. Here is a link on how to use a multi-meter. http://forum.appliancepartspros.com/oven-repair-including-ranges-cooktops/4810-how-check-continuity-ohmmeter.html 

Answered by AppliancePartsPros.com   |   Monday, November 26, 2012

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