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Jenn Air Wall Oven: Lower Oven Doesn't Turn On

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Posted: Fri Jul 4th, 2008 12:58 pm

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JPMOSE
Senior Apprentice Appliantologist

Joined:	Thu Jul 3rd, 2008
Location:	Atlanta, Georgia USA
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Jenn Air Wall Oven (Double) Model Number: JJW9830DDP

This is a three year old problem after a bad lightning storm! My lower oven will not do anything except turn on the light when the door is open. Any control relating just to the lower oven yields a "beep" beep" sound when pushed on.

Since I have the upper oven and it works 100% in all functions...I have ignored fixing it. There was a bad electrical storm in summer of 2005 and many neighbors had problems immediately after that. My lower oven was the only problem I suffered but I didn't realize it for 2-3 months, as I rarely use it. I only mention this because I have ASSUMED it was the storm that caused it....maybe it's just be a coincidence.

Thanks for your help!

JP Mose

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Posted: Fri Jul 4th, 2008 04:45 pm

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RegUS_PatOff
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There's a High-Limit Thermostat Switch #7 in each oven.

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Posted: Fri Jul 4th, 2008 06:16 pm

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Trying to help
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http://www.servicematters.com/maytag_library/docs/16026100.pdf

Above is the tech sheet for the unit. The unit is not designed to show fault codes, but it does store them in memory that can be accessed by following the instructions. Double beeps often means shorted keypads. Take a look at the sheet and see if you have any stored fault codes which will lead us in a direction.

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Posted: Sat Jul 5th, 2008 04:23 pm

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JPMOSE
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Thanks for the help so far....I will download the code instructions and check. Where is the upper limit switch located for the lower oven? Behind the oven wall in the back or behind the control panel? Thanks!

JP

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Posted: Sat Jul 5th, 2008 04:38 pm

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Trying to help
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Do not worry about the limit switch. This will kill one hot leg your clock relay so the elements would not heat, but you would still be able to program the unit. Reg didn't have access to the schematic at the time of posting.

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Posted: Sat Jul 5th, 2008 05:04 pm

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JPMOSE
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Great news! I downloaded your instructions and tested the lower oven. Much to my surprise, everything was working. So I pushed SETUP to return the normal clock display and for a lark....I pushed the control knobs for the lower oven and EVERYTHING WORKS!!!!! When I think that I haven't used the lower oven for three years and it turned out just to be something that needed to be reset!

I can't thank you enough for this information...I thought I'd have to replace a motherboard or something that cost over $200. A second oven is a luxury so I just lived without it.

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Posted: Sat Jul 5th, 2008 06:04 pm

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7^th Post

Trying to help
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Could of been in child lock, or one of the other several modes this unit can be programed for. Since the light did not go on when you opened the door it rules out the Sabbath mode but not all the others. Nice $ave.

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Posted: Sun Jul 6th, 2008 02:42 pm

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JPMOSE
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Well...as happy as I was, I knew there had to be a cause behind the failure! I discovered it...it's the locking latch on the lower oven (engages during clean mode). It will not park in the unlock position. I ran the lower oven on clean cycle and I hear the latch motor running but the door will not lock. Once again I get a beep beep sound...but if I pull the latch to the far left, the controls will work. So there you have it!!! Is this an easy part to replace?

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Posted: Sun Jul 6th, 2008 06:40 pm

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9^th Post

Trying to help
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Take a look at your schematic an your P5 connector. You will see you have a common down to your switch and a Locked, and Un-Locked. The board is monitoring the location of the switch at all times. It it fails to see the correct signal back, it will run for a while trying to find it, then just stop wherever it is and not allow any functions. Accessing the fault codes should show all these stored faults. You could have a bad switch, loose connection or bad board. You will have to ohm it out to be certain, or jump Common to Un-Locked and see if the unit programs. If it does, you know the switch was bad (jumping it and having it work would rule out the harness and the board because you are forcing the signal through). Grab yourself a meter and one of those clear bottle Millers and get snappin!!

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Posted: Sat Nov 17th, 2012 02:54 pm

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JPMOSE
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Joined:	Thu Jul 3rd, 2008
Location:	Atlanta, Georgia USA
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Hello again! I tried to download the sheet that provides fault codes, but it doesn't work anymore (I should have kept a copy!!). Do you have any idea if it is still available on another link? Thanks for your help!

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JP Mose

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Posted: Mon Nov 19th, 2012 06:26 pm

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11^th Post

JPMOSE
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Never mind! I had printed it out and just found it!!

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All the best,

JP Mose

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