E9
Monogram
User Interface Communication Error
Induction cooktop displays E9 and may not respond to touch controls.
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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
Loose or damaged ribbon cable between UI and main board, Moisture on touch controls, Failed user interface board, Software fault in main control
How to Fix / Troubleshooting
Safety first: Turn off power before removing the cooktop or control panel. Avoid static discharge to electronic boards.
- Dry the surface: Wipe the touch control area with a dry cloth. Moisture can interfere with capacitive touch sensing.
- Power reset: Turn off the breaker for 5 minutes, then restore power. Test controls again.
- Inspect UI connections: If accessible, check the ribbon cable and connectors between the touch control board and the main control for secure fit and damage.
- Replace UI board: If E9 persists and wiring is intact, the user interface control board or main control board may need replacement.
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Repair Difficulty
Hard
4/5
Required Part
User Interface Control Board
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