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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