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Magic Chef Oven Temperature Not Accurate

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The part(s) or condition(s) listed below for the symptom Oven temperature not accurate are ordered from most likely to least likely to occur. Check or test each item, starting with the items at the top of the page.

Most Frequent Causes for Oven temperature not accurate

Cause 1Igniter

The igniter draws electrical current through the gas valve to open it. As the igniter weakens over time, it takes longer to open the gas valve. As a result, the oven temperature will drop too low before the burner reignites. The oven temperature should not drop more than 40 degrees Fahrenheit before the igniter relights the burner.

Part Testing
Parts
Igniter for your Magic ChefRange/Stove/Oven
Igniter - Part # 3377 Mfg Part # 12400035

Oven igniter kit. Can replace igniters for either bake or broil burners. Replaces shorter and longer igniters in many instances. Amperage range is 3.3 - 3.6. If the igniter glows for more than 90 seconds without igniting the gas flame, this indicates that the igniter is too weak to open the valve.

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Cause 2Temperature Sensor

The oven sensor works in conjunction with the oven control board to regulate the temperature. The sensor regulates the oven temperature by varying its resistance to electrical current as the oven temperature varies. As the oven temperature rises, the oven sensor creates greater resistance. If the sensor gives the wrong amount of resistance, the oven may not bake evenly. On some models, you can recalibrate the oven control up to 35 degrees Fahrenheit higher or lower. Refer to your owner’s manual for instructions on how to recalibrate the oven control.

Part Testing
Parts
Temperature Sensor for your Magic ChefRange/Stove/Oven
Temperature Sensor - Part # 1365 Mfg Part # 12001655

Oven sensor kit, short

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Cause 3Oven Control Board

The oven control board works in conjunction with the oven sensor to regulate the temperature. The sensor regulates the oven temperature by varying its resistance to electrical current as the oven temperature varies. As the oven temperature rises, the oven sensor creates greater resistance. If the sensor gives the wrong amount of resistance, the oven may not bake evenly. Or if the oven control board does not read the sensor resistance correctly, the oven temperature may be inaccurate. On some models, you can recalibrate the oven control up to 35 degrees Fahrenheit higher or lower. Refer to your owner’s manual for instructions on how to recalibrate the oven control.

Parts
Oven Control Board for your Magic ChefRange/Stove/Oven
Oven Control Board - Part # 1289 Mfg Part # 7601P155-60

Electronic clock control without relays