⚠️ Safety Warning: Appliance repair involves electricity, gas, and moving parts. Always disconnect power before working on any appliance.
Error Code: E90 Difficulty: Hard
Problem: Communication / PCB Error – Communication fault between control boards or a main control board issue.
How to Fix E90 Error (Step-by-Step)
- Start by unplugging the washer from the electrical outlet for safety.
- Slide the washer out and remove the top panel by unscrewing it from the back.
- Locate the main control board, which is typically in a protective plastic case mounted to the washer’s frame.
- Before disconnecting anything, take a detailed photo of the wire connections for easy reassembly.
- Disconnect all the plugs and harnesses from the old control board (Part 5304519503).
- Replace the wire harness (Part 809019903) and install the new main control board, securing it in place.
- Reconnect all the wires using your photo as a reference, then put the top panel back on and test the washer.
- Turn the appliance off, wait about 2 minutes, then turn it back on.
Recommended Replacement Part
Verified Compatible Alternatives:
- 5304519503
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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