E6
Kismile
Communication Error Between Display Panel and Main Control Board
Display shows E6 and the control panel may be unresponsive or temperatures cannot be adjusted.
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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 communication harness between display PCB and main PCB, Oxidized or wet connectors at control boards, Failed display/control PCB, Failed main control board
How to Fix / Troubleshooting
Safety: Disconnect power before removing any control covers.
- Access control panel: Remove the screws securing the front/top control panel. Carefully pull it forward to expose the display PCB and wiring.
- Check harness connections: Locate the multi-pin connector that runs from the display board to the main control board (often at the rear or side). Ensure both ends are fully seated.
- Inspect for moisture: Look for signs of condensation or liquid spills on the control boards. Dry gently with a hair dryer on cool setting or allow to air dry completely.
- Clean connectors: Use electronic contact cleaner on the plug and socket, then reconnect firmly.
- Visual inspection: Check for burnt components or cracked solder joints on the display PCB. If damaged, replace the Kismile display/control panel assembly.
- Board replacement: If wiring and display board appear good but E6 persists, the main control board may be defective and should be replaced with an OEM Kismile board.
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Repair Difficulty
Medium
3/5
Required Part
Display Control Board
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