A burning smell from your Whirlpool wall oven can come from a failing temperature control thermostat, which regulates broiler temperature and may cause the broiler element to overheat or operate incorrectly. Next, check the oven control board and main control board. Their relays control voltage to the heating components, and a defective relay can create an electrical burning smell or prevent the oven from heating properly. Inspect the bake element and broil element for holes, blisters, or other visible damage, and use a multimeter to test each element for continuity. On an electric wall oven, also inspect the terminal block and power cord connections for loose, overheated, or melted wires. Turn off power at the circuit breaker before inspecting or testing parts, and stop using the oven if you see smoke, scorched wiring, or an electrical burning smell. These checks can help identify the cause of an oven burning smell without replacing the entire wall oven. Enter your Whirlpool wall oven model number to find the exact replacement thermostat, control board, bake element, broil element, or terminal block for your appliance.
01 - Whirlpool 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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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.
03 - Whirlpool 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.
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.
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.
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.