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Bosch Electric stove burner won't turn off

If your Bosch electric stove burner won't turn off, move the control to the off position and disconnect power at the breaker before inspecting the range. The most likely cause is a damaged or cracked control knob that cannot turn the surface element switch stem far enough to stop power. Next, check the Bosch surface element switch. Its internal contacts can fuse together and continue sending voltage to the surface element even when the knob is off. If the knob and switch are working, the oven control board may be sending continuous voltage to the burner, especially on models with touchpad controls. A shorted button or failed Bosch control panel can also prevent the burner from turning off. On touch-controlled Bosch electric stoves, inspect the surface element board for burned areas, shorted components, or damaged wiring. Testing voltage and continuity with a multimeter requires the wiring diagram and proper safety precautions. Whether you need a control knob, surface element switch, oven control board, control panel, or surface element board, enter your Bosch model number to find the exact replacement part for your specific electric stove.

01 - Bosch 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 - Bosch 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.
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03 - Broken or cracked control knob

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 - Bosch 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.
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05 - Bosch Range/Stove/Oven Control Panel

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.
Highly Likely

06 - Bosch 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.
Highly Likely

Frequently Asked Questions

What should I do if my Bosch electric stove burner won't turn off?
Could a broken control knob cause a Bosch stove burner not to turn off?
How do I test the surface element switch when an electric stove burner won't turn off?
Could the Bosch control panel or oven control board keep a burner on?
How do I find the correct Bosch part for a stove burner that won't turn off?