Cooktop Not Heating: Separate Power, Controls, Cookware, and Burner Faults

Use only checks that match the exact appliance or system and its official guide.

1. Identify the affected zones and heating type

   With the cooktop off and safe to approach, record whether the problem affects one zone or every zone. Identify the appliance as gas, electric radiant, or induction from the model information and surface layout, and note whether the display or indicator lights respond.

   Expected result: Only one zone is cold, all zones are cold, the controls are dark, or the controls respond but the selected zone stays cold.

   Next step: Follow the matching branch below and the exact model instructions. Do not use a code or procedure from a different heating type or brand.

   Why this matters

   Why: A single-zone failure points toward that zone or its control path, while a dark or whole-panel failure first requires a power or control-state check. Induction adds pan recognition; gas adds fuel and ignition behavior.

2. Confirm the selected zone and control state

   Select the affected zone deliberately and set a normal heat level using the model's controls. Check for a lock, pause, demo, timer, or error indication, and make sure the panel is dry and free of food, cleaner residue, or an object covering a touch key.

   Expected result: The zone begins heating after the correct selection and setting, or the controls remain locked, flash, show an error, or ignore input.

   Next step: Clear only an external obstruction when the surface is cool and dry, then use the model's documented unlock or pause procedure. If the controls still reject input, stop and arrange service.

   Why this matters

   Why: A wrong zone or active lock can look like a heating failure. Wet or obstructed controls can also prevent input on some cooktops; a persistent error requires the model-specific explanation rather than a guessed code.

3. Check the power path without opening the appliance

   For an electric or induction cooktop, observe whether the appliance display is powered and whether its dedicated breaker has tripped. If the area is dry and there is no smoke, odor, arcing, or visible damage, restore a tripped breaker only as a single normal household reset; do not remove covers or handle internal wiring.

   Expected result: The panel remains dark, the breaker trips again, the panel powers up but heating is absent, or the cooktop works after the reset.

   Next step: If the breaker trips again or the fault returns, leave the cooktop out of service and arrange qualified electrical or appliance diagnosis. If power is present, continue with the heating-type check.

   Why this matters

   Why: A dark panel suggests a supply or control problem, while a repeat trip is a stop-use signal. A reset that restores operation does not prove the underlying fault is gone if the symptom returns.

4. Check induction cookware and zone placement

   If the unit is induction and the controls respond, use a pan confirmed by the model instructions to be induction-compatible. Center its flat base over the affected zone, use a size appropriate to that zone, and avoid an empty-pan trial. Compare the result with a known suitable pan on another zone only when the surface is cool and no hazard is present.

   Expected result: The zone heats with suitable centered cookware, or it stays cold and continues to show a pan-recognition symbol or error with suitable cookware.

   Next step: Correct the pan or placement if that resolves the issue. If a suitable pan is not detected, stop repeated trials and provide the model, zone, display, and cookware result to qualified service.

   Why this matters

   Why: A non-magnetic, poorly sized, warped, or off-center pan can prevent an induction zone from transferring heat. Failure with suitable cookware shifts suspicion toward the zone, sensor, power, or control path.

5. Check electric radiant or gas burner behavior

   For electric radiant or coil cooking, observe whether the selected element warms gradually or cycles instead of glowing continuously; verify the element is seated only if the model is a removable-coil design and the cooktop is cool. For gas, observe from a safe position whether the burner clicks and produces a stable flame after the control is turned on briefly; do not continue if there is a gas odor, delayed ignition, or abnormal flame.

   Expected result: The radiant element cycles and warms, the gas burner has no click, clicks without lighting, lights unevenly, or all gas burners are affected.

   Next step: For a cool removable coil, correct only obvious seating if the manual permits it. For gas, turn the control fully Off after a failed brief attempt and use the model's burner guidance; persistent ignition or flame problems need qualified service.

   Why this matters

   Why: Temperature-limiting electric elements can cycle during normal operation. On gas equipment, the click, flame, cap alignment, burner ports, and supply are separate clues; one failed burner differs from a whole-cooktop supply or ignition issue.

6. Cool an overheated unit and use one documented reset

   If the cooktop stopped after high heat or shows an error, turn the controls Off and let the surface and accessible surrounding area cool completely. Look only for an external obstruction near the accessible underside or a hot pan near the controls. When cool, dry, intact, and hazard-free, follow the exact model instructions for one documented reset.

   Expected result: Heating returns after cooling and the documented reset, or the error, cold zone, or shutdown returns under ordinary use.

   Next step: If the issue returns, stop use and arrange qualified service. Do not bypass thermal protection, open the appliance, or attempt an internal electrical or gas repair.

   Why this matters

   Why: Overheating, hot cookware near controls, restricted airflow, or an automatic protection state can temporarily stop heating on some models. A returning fault is not fixed by repeated resets.