Fixing Uneven Heating in a Frigidaire Oven

Bottom line: Uneven baking in a Frigidaire oven comes down to a handful of parts — the temperature sensor, bake element, convection fan, or door gasket — plus a calibration offset that quietly shifts every reading. Budget about 45 minutes to diagnose, and start by measuring exactly how far off it is.

Turn off the circuit breaker for electric ranges. Close the gas valve and turn off the breaker for gas ranges. Allow the oven to cool completely before any inspection. The bake and broil elements carry 240V during operation.

Tools and parts#

Step by step#

1. Measure the unevenness#

Set an oven thermometer on the center of the middle rack, run the oven to 350°F, and give it 20 minutes to fully preheat. Read it, then move the thermometer to the rear, front, and each side, waiting 5 minutes at each spot. A healthy Frigidaire oven should stay within about 25°F across those positions.

2. Test the temperature sensor#

The RTD sensor is a metal probe in the upper rear wall, wired to the control board. At room temperature it should read roughly 1080-1100 ohms on your meter, and around 1500-1600 ohms at 350°F. A reading well off those values means the sensor is feeding the board bad data and should be replaced.

3. Inspect the bake element#

The bake element is the lower element on electric ranges. With the oven off and cool, look it over for bright spots, blistering, or cracks. During heating, any section that glows brighter or dimmer than the rest signals uneven internal resistance, which puts hot spots directly above the bright zones.

4. Check the convection fan#

Gallery and Professional ranges use a True Convection fan to even out heat. If it runs slowly, cuts in and out, or stays still, the oven falls back to uneven radiant heat. Set Convection Bake, listen for the fan, and open the door briefly to confirm air is moving; no movement points at the fan motor.

5. Inspect the door gasket#

The perimeter gasket keeps hot air from leaking at the door. A crushed, torn, or missing section lets cool air in and creates a cold zone near the door while the elements overwork. Close the door and run your hand slowly around the edge, feeling for escaping heat.

6. Adjust the calibration#

If the sensor, elements, fan, and gasket all check out but temperatures read consistently high or low, adjust the offset. On Gallery and Professional models, press and hold BAKE for 5 seconds to show the current offset (0 by default), then use the arrows to shift it in 5°F steps up to plus or minus 35°F and press START.

7. Use Air Fry or Convection as a workaround#

If your Gallery or Professional model has Air Fry and standard bake still shows hot spots, Air Fry or Convection Bake circulates air aggressively enough to smooth them out. Air Fry pairs the top element with a high-speed fan, while Convection Bake uses the rear hidden element with a standard-speed fan.

If it still bakes unevenly#

• Slow to preheat: both elements run during preheat, so a weak broil element drags it out.
• Rear hot spots on an older oven: a known trait; a convection cycle evens it out.
• Consistently high or low but even: it is a calibration offset, not a failed part.

When to call a pro#

Gas valve work and control-board faults belong with a technician. See our stove repair cost guide or book a same-day repair.