E91
Electrolux UI Communication Fault

Washer shows E91; no communication with user interface.

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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

Disconnected or damaged UI harness, Failed user interface board, Failed main control board communication circuit

How to Fix / Troubleshooting

Safety: Disconnect power.

  • Reseat UI cable: Remove the control panel and reseat the ribbon cable or harness.
  • Inspect for cracks: Look for physical damage to the UI PCB.
  • Replace UI: If wiring is intact, replace the user interface board.
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Repair Difficulty

Hard 4/5

Required Part

User Interface Control Board
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