F16
Liebherr
Child Lock Circuit / Key Detection Fault
Oven display shows F16 and the child lock or safety lock cannot be activated or deactivated.
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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
Stuck touch key on control panel, Faulty key matrix on UI board, Software glitch in control module, Contamination on touch surface
How to Fix / Troubleshooting
Safety first: Turn off power before removing the control panel if needed.
Simple reset and cleaning:
- Disconnect power for 5–10 minutes to reset the electronics.
- Clean the touch control glass with a soft, slightly damp cloth and dry thoroughly; avoid harsh chemicals.
Panel inspection:
- If a particular key appears permanently active, the touch sensor or key matrix may be defective.
- Remove the control panel and inspect the UI board for damage or corrosion.
- Replace the user interface panel if individual keys no longer respond correctly.
Software-related issues may require a firmware update, which can only be performed by authorized Liebherr service.
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Repair Difficulty
Medium
3/5
Required Part
User Interface Control Panel
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