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Oven in Jenn-Air range stopped working with no error codes.

Last night I was going to bake something but when I tried to turn on my oven I got no response from key presses on the keypad. This is on a Jenn-Air JGS8850BDS gas slide-in range. The stove worked fine and the clock displayed like normal. No response from the "Bake", "Broil", "Setup", etc keys. Unplugged the range for about 5 minutes. When I plugged it back in I got a brief run of a fan (conv or cooling?) and the clock shows 12:00 and beneath that "Power Loss". The only keys on the keypad that seem to do anything are 1-6 keys. When these are pressed I get a double beep (and Power Loss goes away with the first of these keys). Other keys do nothing. No change in display and no beep.


I suspect it is the main board, but I guess it could be the keypad. Any advice on how to trouble-shoot this? Is there any source of technical information for the keypad, such as pin-outs for the ribbon cable to the main board?

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Ranges , Wall Ovens , Appliances
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5 Answers from these members:
Joseph Perez
I understand how important it is for you to have a range that is working properly so that you can make a great meal. While you are waiting for an expert answer, I did manage to find a link that will provide you with more information about your problem. I hope my link is useful.
by Joseph Perez Earned 1,607 community points in Appliances
November 24th, 2010
Answered in 15 minutes
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Sam A
Thank you for your question.

I am sorry that your range is not working. It certainly is inconvenient to be with out your oven.

You are probably correct in thinking it is a control board. You did the right thing in resetting the power to get the microprocessor to reset.

I have given you a set of instructions for getting the control into the diagnostic mode to help you with your checking of the control.

I hope this will help.

Thank you for using Manage My Life.
by Sam A Earned 735 community points in Appliances
November 26th, 2010
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Manage My Life
Thanks Joseph and Sam for your answers. When your range isn't working, nothing like going skiing for a few days to avoid the problem.

Now that I'm back, I was able to verify that the oven sensor has the correct resistance. That was about all I was able to do. I am unable to try the "Quick Test" mode because there is no response from the Setup key. I have ordered the control board. If that doesn't fix the problem, I assume the only other thing it could be is the keypad. My interpretation of the parts breakdowns I see on the web is that in order to replace the keypad, I must order and replace the entire front panel, i.e. the keypad itself is manufactured right into the front panel and cannot be replaced separately. Is that correct?
by Manage My Life
November 29th, 2010
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Manage My Life
Just to close the loop on this - I replaced the control board and got exactly the same behavior that was in my original post, so the control board was not the problem.

I ordered the keypad (entire front panel, really) and that did fix the problem. So if you have the exact symptoms I described, you may want to try and replace the keypad first!
by Manage My Life
December 15th, 2010
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Sam A
Thank you for the update. Usually a stuck key pad will make the unit through an error code, and I am surprised that this did not. I am glad that you got it repaired .

Thank you for using Manage My Life.

Sam A.
by Sam A Earned 735 community points in Appliances
December 16th, 2010
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