Pot’'s and pan light flashes w/door is closed but won’t start. Other light’s come on w/button are pushed?
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Replacement parts for DUL140PPQO models | AppliancePartsPros.com
See the attachment for the tech sheet.
Could be a stuck key, see the tech sheet.
Normal way to troubleshoot is to check the keypad (control panel) with a meter. If it is OK then odds are the control board is the culprit.
Still a bit of a crap shoot but your odds are better5.
1784440.pdf (172.6 KB)