E6
AEG
Control Panel / Keypad Communication Error
Dehumidifier displays E6 and controls are unresponsive or erratic
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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 ribbon cable between display board and main PCB, Corroded or oxidized keypad connector, Damaged touch panel or buttons, Faulty main control PCB
How to Fix / Troubleshooting
Safety: Disconnect from mains before opening the control housing.
- Inspect control panel: Remove the top or front cover to access the control panel. Check for signs of moisture ingress or liquid spills on the keypad and display board.
- Check ribbon cable: Locate the flat ribbon cable or harness connecting the display/control board to the main PCB. Reseat both ends carefully, ensuring they are fully inserted and locked.
- Clean connectors: If you see oxidation, gently clean the contacts with isopropyl alcohol and a lint‑free swab. Allow to dry completely.
- Test buttons: With the unit reassembled and powered, test each button. If some keys do not respond or the error persists, the control panel PCB may be defective.
- Replace control panel: Install a new user interface / display board compatible with your AEG model. Transfer any seals or gaskets to maintain moisture protection.
- PCB replacement: If a new control panel does not resolve E6, the main control PCB is likely at fault and should be replaced by a professional.
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Repair Difficulty
Medium
3/5
Required Part
Control Panel PCB
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