User Interface Communication Error
E91
There is a communication error between the main board and the UI board.
Electrolux Dryer E91 Error Code Error Code Possible Causes
- Loose wire connection at the main board or UI board.
- The main board is defective.
- The UI board is defective.
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This information is provided for educational purposes only. Please consult the appropriate Service Mode or Technical Document for your model. Always take proper safety precautions when installing or repairing any major appliance.