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)
- Begin by completely disconnecting the dishwasher from power. Locate the circuit breaker for the dishwasher in your home’s electrical panel and switch it to the ‘OFF’ position for at least 5 minutes to allow the internal electronics to fully reset.
- After waiting, restore power by switching the circuit breaker back to the ‘ON’ position.
- Attempt to start a new wash cycle. If the ER-09 code reappears, you will need to inspect the wire connections. Turn off the circuit breaker again before proceeding.
- To access the controls, you will need to remove the inner door panel. Open the dishwasher door and remove the series of screws (usually Torx head) around the perimeter of the inner panel.
- With the screws removed, carefully separate the inner and outer door panels. Locate the user interface control board at the top of the door and the main electronic control board, typically at the bottom. Find the wiring harness that connects these two components.
- Carefully inspect the connection points. Unplug the wire harness connector from the main control board and then from the user interface board. Look for any signs of corrosion or loose pins. Firmly plug the connectors back into their sockets, ensuring they are fully seated.
- Reassemble the door panel by securing it with the screws you previously removed. Restore power at the circuit breaker and try running a cycle to see if the communication error is resolved.
- 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.
Browse all Electrolux error codes: Electrolux Error Codes
When It’s Better to Replace Than Repair
Sometimes replacing an appliance makes more financial sense than putting more money into repairs.
Here are a few signs it may be time to shop for a new one:
- ✓Appliance over 8-10 years old
- ✓Repair cost over 50% of replacement
- ✓Multiple recent breakdowns
- ✓Major component failure
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