⚠️ Safety Warning: Appliance repair involves electricity, gas, and moving parts. Always disconnect power before working on any appliance.
Error Code: ER-09 Difficulty: Moderate
Problem: There is a communication failure between the user interface control and the electronic control board.
How to Fix ER-09 Error (Step-by-Step)
- Reset the dishwasher’s power. Turn off the circuit breaker dedicated to the dishwasher for at least five minutes to allow the internal electronics to fully discharge and reset.
- If the code persists, turn the power off again at the circuit breaker. You will now inspect the wire connection to the user interface in the door.
- Open the dishwasher door and remove the Torx screws holding the inner door panel to the outer panel. Be sure to support the outer panel as you remove the last screws so it doesn’t fall.
- Locate the main wire harness that connects to the user interface control at the top of the door. Carefully disconnect the plastic connector by squeezing its locking tab and pulling gently.
- Inspect the connector and the pins on the board for any signs of corrosion or damage. If it looks clean, firmly plug the connector back in until you hear it click into place, ensuring a secure connection.
- Reassemble the door panels, restore power at the circuit breaker, and run a test cycle to confirm the error is resolved. If the error returns, the main control board or user interface may need professional service.
- Turn the appliance off, wait about 2 minutes, then turn it back on.
Parts Availability Note: For this Electrolux/Frigidaire error code, exact OEM part numbers can vary by model revision and serial range. We’ve listed the most likely component(s), but confirm compatibility using your full model number before ordering. If no exact SKU is shown, use this guide for diagnosis first, then verify the matching OEM part on RepairClinic or PartSelect.
Still Not Working?
If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.
Most DIY parts are $50–$250. If you have a quote, use the total.
More options (for a better recommendation)
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Expert: Mike Sullivan
EPA Section 608 Certified Technician with 18+ years experience.
Read Editorial Standards →Browse all Electrolux error codes: Electrolux Error Codes
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