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Customer Questions and Answers for Relay, Board by Whirlpool

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    • Part Number: AP4094554
    • MFG Part Number: 74001870
    • Made by: Whirlpool
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For Whirlpool Relay, Board (Part Number: AP4094554)

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this is a slide in electric. The lower element blew (as it had a few years ago). I replaced it and it did not heat. I called a repair man and he measured the voltage at the element as only 35volts and told me that the clock would be the problem. The clock is not available but is rebuildable so I after he left I pulled the stove top and discovered another board called the relay board part number 4094554. Is this the most likely problem? Or could it be the clock (everything else, including the clock display works)?

Kirk for Model Number maytag CHE9830BCB s#28668*24SQ

ANSWER Kirk, You would be better served to test or replace the relay board 74001870 first. It's more likely to have failed than the ERC/Clock. When the element failed, it caused a voltage spike on the circuit, and probably damaged the relay contacts on the board. Disconnect the yellow wire from the BA terminal and the purple wire from the BR terminal on the board. Select bake and a temperature and check for 120 VAC from the BA terminal to chassis ground. Repeat the process for the broil selection. You also need to check the L1 and L1b terminals for 120 VAC to chassis ground, Tghis will verify proper voltage to the relay board from the house power supply. 

Answered by AppliancePartsPros.com   |   Thursday, February 28, 2013

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