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1 Question & Answer
Made by LG.
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Part Diagram
Part Number 6871ER2020B (AP4442897) replaces 1268509, AH3529966, EA3529966, PS3529966.
Alan for Model Number WM2688HNM
Answer Hello Alan. You will test for power coming to the board. If it does not work, you will replace the board. Most likely, if there is power at the display board and nothing works, that is the issue. 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
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