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Wall oven is producing a burning smell

When a wall oven is producing a burning smell, stop using it until you identify the source. A defective temperature control thermostat is the most likely cause listed for this symptom. The thermostat regulates broiler temperature, and a failed thermostat may prevent the broil element from heating correctly. Next, check the oven control board and main control board, which use relays to send voltage to the heating components. A failed relay can cause overheating or prevent normal operation. The bake element and broil element are also common causes of an oven burning smell. Look for holes, blisters, or other visible damage, then use a multimeter to test each element for continuity. If the smell is electrical, inspect the terminal block and power cord connections for loose, burnt, or melted wires. Do not operate the wall oven if these connections are damaged. Before ordering a thermostat, control board, bake element, broil element, or terminal block, enter your model number to find the exact replacement part for your specific wall oven.

01 - Range/Stove/Oven Temperature Control Thermostat

The temperature control thermostat regulates the broiler temperature. If the thermostat is defective, it may fail to heat the broiler element. The oven thermostat is not repairable—if the thermostat is defective, you must replace it.
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02 - Range/Stove/Oven Control Board

The control board has relays that send voltage to the surface element circuits according to the user settings and sensor input. If the control board is defective, it may not send voltage to the heating components.
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03 - Range/Stove/Oven Main Control Board

The control board has relays that send voltage to the surface element circuits according to the user settings and sensor input. If the control board is defective, it may not send voltage to the heating components.
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04 - Range/Stove/Oven Bake Element

When the bake element is heating properly, it glows red hot. If the element does not glow red, this indicates that the element is not heating. Often, if the heating element has burned out, it will be visibly damaged. Inspect the heating element for holes or blisters. To determine if the bake element has burned out, use a multimeter to test the element for continuity. If the bake element does not have continuity, replace it.
Highly Likely

05 - Range/Stove/Oven Broil Element

The broil element may have burned out. When the broil element is heating properly, it glows red hot. If the element does not glow red, this indicates that the element is not heating. Often, if the element has burned out, it will be visibly damaged. Inspect the broil element for holes or blisters. To determine if the broil element has burned out, use a multimeter to test the element for continuity. If the broil element does not have continuity, replace it.
Highly Likely

06 - Range/Stove/Oven Terminal Block

If the power cord connections in the terminal block on your electric range are not secure the wire can overheat, burning the connections on the terminal block, and melting the coating on the wires. Check to ensure the connections are tight and not burnt. If the terminal block connectors are burnt, the terminal block should be replaced. If the power cord terminal connectors are burnt or damaged, the power cord should be replaced. If the power cord prongs are burnt, a new power cord should be installed and the receptacle checked and replaced if necessary by a licenced electrician.
Common

Frequently Asked Questions

Why is my wall oven producing a burning smell?
How do I test a wall oven bake element or broil element?
Can the thermostat or control board cause a burning smell in a wall oven?
How do I know if the wall oven terminal block is overheating?
How do I find the correct replacement part for my wall oven?