If your Kenmore electric stove burner won't turn off, stop using the range and switch off power at the circuit breaker until you identify the fault. The most likely cause is a damaged or cracked control knob that cannot turn the surface element switch stem to the off position. Next, inspect the surface element switch, also called an infinite switch on some models. Its internal contacts can fuse together and continue sending voltage to the radiant surface element even when the knob is turned off. If the knob and switch are working, a faulty oven control board may be supplying continuous power, especially on models that use a touchpad to control the burner. A defective control panel or touchpad can also short and prevent the electric burner from shutting off. Finally, inspect the surface element board and wire harness for burned or shorted components. This troubleshooting applies to an electric stove burner not turning off, including a glass top stove burner or coil burner. Disconnect power before testing electrical parts, and enter your Kenmore range model number to find the exact replacement part for your specific appliance.
01 - Kenmore Range/Stove/Oven Knob
If a range's surface element won't turn off, you should first inspect the control knob for damage. A broken knob may be unable to rotate the surface element switch stem to stop voltage being sent to the element.
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02 - Kenmore Range/Stove/Oven Surface Element Switch
The surface element switch sends voltage to the surface element coil. Sometimes, when the surface element switch fails, the electrical contacts inside the switch fuse together, causing the switch to send continuous voltage to the surface element. If the surface element switch is defective, replace it.
If the control knob is cracked or broken it may not be turning the stem on the switch. Inspect the control knob and confirm the switch is in the off position. If the control knob is damaged, it will need to be replaced.
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04 - Kenmore Range/Stove/Oven Oven Control Board
On some range models, the control board provides voltage to all of the appliance's electrical components. If the board is defective, it might send continuous voltage to a surface element even after the element has been turned off. If you've confirmed the surface element itself has not shorted and the element is controlled by a touchpad, it's likely the control board is faulty. You can inspect the board for signs of damage or a shorted component. You can also use a multimeter to test for voltage reaching the bake or broil elements or igniters after reviewing the appliance's wiring diagram.
A range's control panel can allow the user to select the heating functions for both a stovetop and an oven. If the control panel is defective, one or more of the buttons may have shorted and you will not be able to turn off the element. If you've confirmed the surface element itself has not shorted and the element is controlled by a touchpad, it's likely that touchpad or control panel is faulty.
06 - Kenmore Range/Stove/Oven Surface Element Board
If a range's surface element is controlled by a touchpad, it's possible the surface element board has a shorted component that is sending continuous voltage to the element. You can inspect the board for signs of burning or a shorted component. If the surface element and wiring are not shorted it is likely the surface element board is damaged and will need to be replaced.