E6
Dimplex
Control Panel Communication Error
Dehumidifier displays E6; controls may be 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 or damaged communication cable between display board and main PCB, Oxidized ribbon cable contacts, Failed display/control PCB
How to Fix / Troubleshooting
Safety: Unplug the unit before removing the control panel or top cover.
Steps:
- Remove the top or front bezel to access the display/control PCB. Carefully release any clips to avoid cracking the plastic.
- Locate the ribbon cable or harness that connects the display board to the main control board. Disconnect and inspect both ends for bent pins, corrosion, or damage.
- Clean contacts gently with isopropyl alcohol and a lint-free swab. Allow to dry fully.
- Reconnect the cable firmly, ensuring it is fully seated and locked. Route it so it is not pinched by the cabinet.
- Inspect the display PCB for signs of liquid ingress or burnt components. If damaged, replace the Dimplex display/control PCB with the correct part number.
- Reassemble, restore power, and test all buttons and display functions. Confirm that the E6 code is cleared.
Note: If the cable and display board are good, the main control PCB may have a communication fault and require replacement.
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Repair Difficulty
Medium
3/5
Required Part
Display / Control PCB
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