Bosch Open Surface Heating Element or Infinite Switch Failure

Electric radiant cooktop element on Bosch range does not heat at all, indicator light may still come on.

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Burned-out radiant element, Failed infinite switch, Loose wiring at element terminals, Faulty control board (for electronic controls)

How to Fix / Troubleshooting

Safety first: Disconnect power at the breaker before removing the cooktop glass or rear panel.

  • Visual inspection: Remove the glass top (if separate cooktop) or rear panel (range) and inspect the radiant element for breaks or burn marks.
  • Check continuity: Use a multimeter to test the element for continuity. Replace if open.
  • Test infinite switch: For knob-controlled models, test the infinite switch for continuity between terminals as the knob is turned. Replace if defective.
  • Inspect wiring: Tighten any loose spade connectors at the element and switch.
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Repair Difficulty

Hard 4/5

Required Part

Radiant Surface Element
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