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-   -   Oven Door Lock (http://forum.appliancepartspros.com/oven-repair-including-ranges-cooktops/94826-oven-door-lock.html)

rpolsdorfer 05-12-2010 10:27 PM

Oven Door Lock
 
The lower oven door locked with an F9 error code after normal use, not a cleaning cycle. I have found the latch switch and wiggled it so it returned to the unlocked position. It seems to want to stick mechanically in the locked position unless it is wiggled just right. It also has been cooking too fast.
What is the reason for the oven door lock? If it is only for self-cleaning I'd rather just disable it entirely. How can I disable it so the oven will still function? If I must repair or replace it, how do I figure out what went wrong? Might it just need WD-40?
Thanks, Ricker

Gene 05-13-2010 11:03 AM

The problem can be a bad door lock switches as well as a bad oven control board. You may want to check the switches, the door lock motor and their wires first. If there is nothing wrong, replace the control board.

- The door latch assembly (lower oven) Part number: AP4094734

Part number: AP4094734



- The control board Part number: AP4396791

Part number: AP4396791


Here is the Service manual.

Here are the breakdown diagrams and Replacement parts for MAYTAG MER6772BAB Freestanding - Double Oven - Electric | AppliancePartsPros.com

Gene.

rpolsdorfer 05-13-2010 02:28 PM

Thanks
 
I found the latch assembly. Where/how do I find the control board?

Gene 05-13-2010 09:04 PM

The control board shown as #2 on the diagram.

Gene.

rpolsdorfer 05-14-2010 02:42 PM

Thanks. $$$$$!! I jammed the motor sensor in the open position. Cheaper. I don't use the self-clean function anyway.

Gene 05-14-2010 05:52 PM

You are welcome. Good idea to save $$$!

Gene.


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