Question about Whirlpool MH7140XF Microwave Oven
This is a bad error. It refers to microwave relay failure.Check the wiring to relay for short circuits.If wiring is OK, you need to replace control board.
Sometimes it is due to stuck relay.With the door open unplug the microwave oven. Then whack ( light ) on either side of the keypad a couple of times. That might fix the error. ( usually this is done by tech's ).
Let me know,if needed further assistance.
Hope i helped you.
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Posted on Aug 22, 2010
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Posted on Jan 02, 2017
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