When your Roper electric stove burner won't turn off, switch the range off at the breaker and stop using the affected burner until you identify the problem. Start with the control knob, which may be cracked, damaged, or unable to rotate the surface element switch stem fully to the OFF position. Next, inspect the surface element switch. Its internal contacts can fuse together and continue sending voltage to the 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 to the surface element. On touchpad models, a shorted control panel or touchpad can also prevent the burner from shutting off. Finally, inspect the surface element board for burned areas, damaged components, or a short. Confirm that the surface element and wiring are not shorted before replacing a board. A multimeter and the range wiring diagram can help verify whether voltage is still reaching the element. Enter your Roper range model number to find the exact replacement knob, surface element switch, control board, control panel, or surface element board for your appliance.
01 - Roper 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 - Roper 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 - Roper 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.
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.