Sub-Zero
Unresponsive Touch Panel / Keypad
Oven display works but buttons do not respond or respond intermittently.
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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
Worn or damaged touch membrane, Moisture behind glass panel, Loose keypad ribbon cable, Faulty user interface board
How to Fix / Troubleshooting
Safety: Disconnect power before removing the control panel.
- Clean panel: Wipe the glass with a soft, dry cloth. Avoid excessive moisture or cleaners that can seep into the edges.
- Power reset: Turn off the breaker for 5 minutes, then restore power and test keypad response.
- Inspect ribbon cable: Remove the control panel and check the keypad ribbon cable for cracks or corrosion. Reseat the cable firmly.
- Replace touch panel: If certain keys never respond or require excessive pressure, replace the touch control panel or keypad assembly.
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Repair Difficulty
Medium
3/5
Required Part
Touch Control Panel
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