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Thread: GE Oven Temperature Problem

  1. #1
    Join Date
    Dec 2009
    Location
    NY
    Posts
    2

    Default GE Oven Temperature Problem

    This problem is for a GE Dual Wall Oven (electric, model ZET757BA1BB). The oven keeps accurate temperature in the convection setting, but in the normal bake setting, the temperature is low. To test this out, I set the oven to 300 Convection and confirmed it was right. I then switched it to 350 Bake, and within 20 seconds the panel's temperature indicated the oven was now at 350, but the thermometer I was testing with still read 300. If I just start the oven in Bake from a cold oven, the temp on the thermometer is always less than the panel readout (usually by 50 or more degrees).

    This is a dual oven and originally one oven developed this problem, but now they both do it. Is the problem at the sensor, the panel or somewhere else? I'm tending to suspect the sensor since each oven developed the problem separately over time, but since the ovens keep accurate temperatures in the convection setting I'm really confused about what might be causing this to happen.

  2. #2
    Join Date
    Aug 2004
    Location
    McMullen Valley, Arizona
    Posts
    69,565

    Default

    Yes, I'd check your oven sensor's first.

    Turn the breaker off to your double oven first!

    Now you may need to pull your oven out from the wall, I recommend getting a helper to help you do this. Then take the back panel off, then you should see your oven sensor connector for the upper oven.

    Remove it from the connector, then use a ohm meter to ohm it, normal would be 1100 ohms at room temperature.

    Sometimes you can take the oven sensor screws off from inside the oven and pull the connector slowly out into the oven to do the ohm check on it, that would save you from pulling the whole double oven out from the wall.

    Here's the oven sensor, its in the back of your oven's:
    Manufacturer part#WB23X5340 is RepairClinic item#253024


    Jake
    Appliance Repair School 1987-1988
    Star Appliance Tech. 2 yrs. 1988-1990
    Wards Appliance Tech. 11 yrs. 1990-2001
    Sears Appliance Tech. 4 yrs. 2001-Oct. 2005
    Jake's Appliance Repair Nov. 2005-present

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  3. #3
    Join Date
    Dec 2009
    Location
    NY
    Posts
    2

    Default

    Jake, thanks. Curious about one thing here: does the oven rely on this one sensor to measure the temp for both convection and normal bake cycles? If so, what might you consider as potential causes of the problem. I assume the sensor either works or doesn't. Right?

  4. #4
    Join Date
    Aug 2004
    Location
    McMullen Valley, Arizona
    Posts
    69,565

    Default

    Yes, the oven sensors control the temps for both convection and bake. If the sensors check ok, then the problem is in your control board.

    Here's the clock/oven control board for your model:
    Manufacturer part number WB27T10287 is RepairClinic item number 875280


    Jake
    Appliance Repair School 1987-1988
    Star Appliance Tech. 2 yrs. 1988-1990
    Wards Appliance Tech. 11 yrs. 1990-2001
    Sears Appliance Tech. 4 yrs. 2001-Oct. 2005
    Jake's Appliance Repair Nov. 2005-present

    Look-Up & Order Parts

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