E90
Electrolux Main Control / User Interface Communication Error

Washer-dryer combo displays E90; often indicates a communication or configuration problem.

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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 connector between main PCB and user interface board, Faulty user interface PCB, Corrupted control board configuration, Damaged wiring harness

How to Fix / Troubleshooting

Safety: Disconnect power before accessing control panels.

  • 1. Reseat connectors: Remove the top and control panel. Disconnect and reconnect the ribbon cable or harness between the user interface and main control board.
  • 2. Inspect for damage: Look for corrosion or burn marks on both boards.

If E90 persists, one of the boards may need replacement. Configuration or software issues typically require an authorized Electrolux technician.

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Repair Difficulty

Professional Required 5/5

Required Part

User Interface Board
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