When I try to turn on the lower oven to start heating everything seems fine. The power stays on, it clicks and pops just like the upper oven; the only difference is that the lower oven does not ever heat. If I start both, the upper oven will eventually begin rising in temperature unlike the lower oven. Also, there are no error messages displayed.
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Re: GE Double Oven JKP45BA, lower oven wont heat
Hi, If your electric oven is not heating then you probably have a bad heating lelement in your oven. This is not that hard to fix yourself... Check out this tip that I wrote about the Oven not heating problem..
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Most double wall ovens are technically two separate oven boxes. The lower oven box has its bake, boil elements, high limit thermostat and ofcourse its own oven sensor. If the lower oven box boil is working good and less heat on bake feature may suggest that the bake element is burned out and only getting preheated with boil element. Just a suggestion here
Possibly a tripped thermal fuse. Should be located behind the panel in between the upper and lower ovens. Might have a red reset button on it you can push down. If it clicks and then works again, look for possible cooling fan problems.
We had this same problem in our lower oven and found the solution the night before Thanksgiving. With 26 people coming for dinner, I desperately need both ovens. (Turn off the breaker for the oven before you do this.)
My husband took the control panel off of the upper oven and found a wiring diagram. In the text, it said there was a manual reset for each oven in the access panel for each one. He opened the access panel for the lower oven and found the reset button in the middle of that area. He said it was a black circle with a red button in the middle. After reseting, we turned the breaker back on and everything works great!!
I had a similar problem. Solved mine by resetting the manual reset thermal switch. The switch for the top oven is located behind the control panal which can be removed easily by taking out three screws then lifting up an leaning out. The switch has a red reset button, just push it in till it clicks.
For safety, SWITCH THE BREAKER OFF WHILE YOU DO THIS!!!
The lower oven switch is located behind the vent grill between the two ovens.
GE should be ashamed of hiding this feature-it isn't mentioned in the manual. I discovered it on a schematic hidden behind the control panal.
I found the lower circuit breaker had been tripped. That didn't fix the problem but upon further inspection whoever had worked on the unit years ago had dropped a screwdriver that had lodged between the oven wall and the rear casing and shorted out the lower heating element. I removed the screwdriver and oven works fine now. I don't think that will solve the cmmclow problem but maybee the curcuit breaker is tripped.
Colin, the TCO is located on the back of the oven. It will open L2 to the heating element in the event it is open. If this TC0 opens it will not show any error codes. This is for the 27 inch wall oven models only. Catriver...post back.