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jetdoc 09-12-2012 06:43 AM

Jenn Air double wall oven problems
We have a double wall unit Jenn Air range....for a while now the lower unit would show a 'Fr' fault when turned on. The upper one worked fine until recently.

About a week ago it seemed to be taking a long time for the oven to get to pre heat selected temps..but didn't pay a lot of attention to it. Then this morning when trying to use upper oven we selected the temp and it just showed 100 degrees and never got hot....I tried the broiler and same thing, didn't work.

So now we have two probs, 'Fr' fault on lower unit and upper one oven and broiler do not work.

Any help? I think Fr means a circuit board? Thanks in advance.

Simon / APP Team 09-12-2012 10:10 AM


Please provide the complete model number of the oven.


jetdoc 09-12-2012 05:08 PM

Hey, work, will later this evening when I get home.

jetdoc 09-12-2012 08:19 PM

Ok here it is.....

WW 274308 is the model number

Simon / APP Team 09-13-2012 03:06 PM


To take care of the upper oven problem you need to replace the upper relay board Part number: 74006612

Part number: 74006612

For the lower oven first check the resistance of the oven sensor. With the multimeter set to 10 Kohm at room temperature normal reading about 1100 ohm. if the sensor checks OK - replace the lower oven relay board

Part number: 12001914

Part number: 12001914

Oven sensor Part number: 12001656

Part number: 12001656

Here are the breakdown diagrams and Replacement parts for Jenn-Air WW27430B WALLOVEN- S/C ELE |

Post the results.


jetdoc 09-13-2012 03:44 PM

Wow, thank you so much Simon..I will let you know the results...

jetdoc 09-18-2012 05:12 AM

Ordered the upper board, not sure where its is I have to pull oven out?

The lower, yes it needs a new board as well, the element test ok.

So any help on the location of board would be great.

Simon / APP Team 09-18-2012 10:14 AM


Most likely you should remove the oven and open the top. The relay boards are on the side walls (wall). The upper board has more relays in it.


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