Kuppersbusch Capacitive Touch Sensitivity / Interference Issue

Cooktop controls respond slowly or randomly change settings without being touched.

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Possible Causes

Moisture or spills on touch panel, conductive residue on glass, electrical noise from nearby appliances, failing touch control PCB

How to Fix / Troubleshooting

Safety first: Turn off the cooktop and wipe up any spills before troubleshooting.

  • Clean surface: Thoroughly clean and dry the touch control area with a soft cloth and mild cleaner.
  • Remove objects: Keep metallic objects, wet cloths, and large pots away from the control area.
  • Power reset: Turn off power at the breaker for 1–2 minutes, then restore and test.
  • Environmental check: If the issue occurs when certain appliances (e.g., powerful range hoods) are running, consider relocating or improving grounding.
  • PCB replacement: If false touches persist, the touch control PCB may be defective and should be replaced.

Tip: Always operate the touch controls with dry fingers for best response.

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Repair Difficulty

Easy 2/5

Required Part

Touch Control PCB
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