Siemens
Keypad Ghosting / Touch Panel Interference
Buttons or touch controls respond intermittently or activate by themselves.
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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
Moisture under control panel, Contaminated touch surface, Failing keypad membrane, Electrical noise from failing PCB
How to Fix / Troubleshooting
Safety first: Unplug the cooker before cleaning the control panel.
Steps to resolve:
- Clean the panel: Wipe the control surface with a slightly damp cloth and mild detergent, then dry thoroughly.
- Remove moisture: If the panel was exposed to spills, leave the cooker unplugged in a warm, dry place for 24 hours to allow moisture to evaporate.
- Avoid strong cleaners: Do not use solvents or abrasive cleaners that can damage the touch surface.
- Internal inspection (advanced): If issues persist, inspect the keypad PCB for corrosion or residue; clean with isopropyl alcohol if minor.
When to call a technician: Persistent ghosting usually requires replacement of the keypad or interface PCB.
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Repair Difficulty
Medium
3/5
Required Part
Keypad / Control Panel
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