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GE Profile Convection Oven...no heat on bake

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Posted: Tue Oct 26th, 2010 09:41 pm

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storch
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Since it works in convection mode, it can't be the heating elements as they heat up fine.

But when I try to use bake mode, nothing.

I suspect the infamous membrane/control module but any pointers would be appreciated.

Thanks

Storch

Model #JTP56WOW2WW double oven.

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Posted: Wed Oct 27th, 2010 03:30 am

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RegUS_PatOff
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storch wrote: Since it works in convection mode, it can't be the heating elements as they heat up fine...
do both Elements heat while in Convection mode ?

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Posted: Wed Oct 27th, 2010 04:31 am

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storch
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Yes...both heat in convection mode.

But in bake, no heat. And the temp display stays at 100F.

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Posted: Wed Oct 27th, 2010 11:48 am

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storch
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correction...only the bottom element heats in convection mode, as well as the fan

in bake, nothing, nada

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Posted: Wed Oct 27th, 2010 11:23 pm

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storch
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Some further observations:

Lately the display on the left side that controls the upper oven that isn't baking has been very dim (can barely see it in normal light).

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Posted: Sat Nov 6th, 2010 08:04 pm

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storch
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Ordered and received new oven control board. Seems the newer Torisan part (WB27T10277) replaced the older Robertshaw (WB27K5272). The wiring is a bit different and I need some help in the proper installation.

The larger harnesses match up and following the schematic are easy.

The problem is with the colored wires (lavender, yellow, orange) for the oven, broil, convection functions. The back of each relay has 3 prongs labeled no, nc, com. Do the colored wires plug into the nc? (seems like that's the only one that fits).

I'm sure somebody has been through this before.

There also doesn't seem to be enough common/grounds (black wire) for the new board. Are any splices needed for the upgrade to the newer board?

Thanks
Steven

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Posted: Sat Nov 6th, 2010 11:33 pm

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Samurai Appliance Repair Man
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Been a while since I've done one of these so I'll need to see some details to help you out:

- instruction sheet that came with the new board. You can fax to me at 866-315-4504.

- schematic/wiring diagram for the range.

- photos of both the old an new boards, straight on, full frame, good n' crisp. Use and online image hosting service like Picasa and post the links here.

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Posted: Mon Nov 8th, 2010 03:30 pm

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storch
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I figured it out. A few wires changed locations. The orange and yellow oven/broil wires needed to connect to the no terminals. The black went to the common. Just followed the schematic and took my time to double check.

Works perfectly now.

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