⚠️ Safety Warning: Appliance repair involves electricity, gas, and moving parts. Always disconnect power before working on any appliance.
Error Code: E66 Difficulty: Hard
Problem: Malfunction of the heating element relay.
How to Fix E66 Error (Step-by-Step)
- Turn off the circuit breaker for the washer and unplug it from the wall.
- Remove the top panel of the washer to gain access to the main electronic control board.
- Visually inspect the control board for any burn marks, discoloration, or damaged components, particularly around the relays.
- Carefully check the wire harness connecting the control board to the heating element. Ensure the connection is secure and the wires are not damaged.
- If the wiring appears intact, the heating element relay on the control board has likely failed.
- Disconnect all wire harnesses from the old control board, taking a picture beforehand for reference.
- Install the new control board, reconnect all harnesses, and secure the top panel before restoring power.
- Turn the appliance off, wait about 2 minutes, then turn it back on.
Recommended Replacement Part
Verified Compatible Alternatives:
- 137488302
- 809019910
- 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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