Electrolux Washer error code
Electrolux Washer Error E90
Communication / PCB Error - Communication fault between control boards or a main control board issue.
Communication / PCB Error - Communication fault between control boards or a main control board issue.
Try these first
Start here before buying a part or taking the appliance apart.
- 1Check 1
Unplug the washer for at least 30 seconds to reset the electronic components.
- 2Check 2
Inspect the wiring harnesses between the main control board and the user interface board for loose connections or damage.
- 3Check 3
Carefully disconnect and reconnect the connectors to both control boards to ensure a secure fit.
A quick explanation
What does E90 mean?
Communication / PCB Error - Communication fault between control boards or a main control board issue.
The answer you came for
How to fix Electrolux washer error E90
Start with the safest checks and work from simple to technical.
- 1
Step 1
1. Start by unplugging the washer from the electrical outlet for safety.
- 2
Step 2
2. Slide the washer out and remove the top panel by unscrewing it from the back.
- 3
Step 3
3. Locate the main control board, which is typically in a protective plastic case mounted to the washer's frame.
- 4
Step 4
4. Before disconnecting anything, take a detailed photo of the wire connections for easy reassembly.
- 5
Step 5
5. Disconnect all the plugs and harnesses from the old control board (Part 5304519503).
- 6
Step 6
6. Replace the wire harness (Part 809019903) and install the new main control board, securing it in place.
- 7
Step 7
7. Reconnect all the wires using your photo as a reference, then put the top panel back on and test the washer.
Read the additional checks from the current guide
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.
What to Check Next on This Electrolux Washer Focused repair path: washer fill, drain, spin, lock, sensor, and control checks. Do not treat the fault as reset-only if it keeps returning; use the failed function to choose the next test. Disconnect power before opening panels, then confirm whether the Electrolux washer repeats the same code after a clean reset. Match the symptom to the part of the cycle or function that fails: fill, drain, heat, cool, spin, latch, ignite, fan, sensor, or control response. Inspect simple causes first: airflow, water supply, drain path, door closure, filter, venting, wiring connectors, and visible damage. Use meter testing or service diagnostics before replacing electronic controls, because wiring, switches, sensors, and loads can mimic board failure. Use the complete Electrolux washer model number from the appliance tag before ordering any model-specific part. Check, inspect, clean, test, measure, remove, reconnect, clear, and replace parts only when the symptom supports that path. If these checks point toward a part, verify the complete Electrolux model number from the appliance tag before ordering. Verified Compatible Alternatives: 5304519503 Recommended Parts to Check No exact official OEM part number is listed here because the correct Electrolux washer part can vary by complete model number. These are targeted part-category searches, not universal fit claims. Electrolux washer drain pump Common replacement category: Drain pump Fit note: Exact OEM part number varies by complete Electrolux washer model number. Confirm compatibility before buying. Why this category can matter: drain, no-spin, or water-removal symptoms after hose and filter checks. Search Amazon for Electrolux washer drain pump Electrolux washer water inlet valve Common replacement category: Water inlet valve Fit note: Exact OEM part number varies by complete Electrolux washer model number. Confirm compatibility before buying. Why this category can matter: fill and slow-fill symptoms after supply checks. Search Amazon for Electrolux washer water inlet valve Electrolux washer door lock Common replacement category: Door lock / latch Fit note: Exact OEM part number varies by complete Electrolux washer model number. Confirm compatibility before buying. Why this category can matter: start, lock, or spin symptoms tied to door-lock feedback. Search Amazon for Electrolux washer door lock Before ordering: match the part to the complete Electrolux washer model number on the appliance tag. 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
What may be causing it?
- Communication error between the main control board and the user interface
- Faulty main control board
- Defective user interface board
- Loose or damaged wiring between boards
These are possibilities to investigate, not proof that one part has failed.
Recommended part
Recommended part for this error code
Replacement part
OEM candidate: 5304515232
Price noted in the current guide: $160-$210
Why this part is shown: It is associated with Electrolux Washer error E90 in the current guide. The error code alone does not prove this part has failed.
Compatibility varies by model. Confirm that the Amazon listing includes your complete washer model number before ordering.
You can open the recommendation now. Check model compatibility on the Amazon page before purchasing.
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Repair or replace calculator
Use the age and total repair estimate to get a simple comparison. This is guidance, not a guarantee.
Safety first
Disconnect power before opening panels or touching internal parts.
When to stop
- Stop if you see burned wiring, melted connectors, water near electrical parts, or a gas smell.
- Do not perform live-voltage testing unless you are trained and equipped for it.
- Use the exact model manual or service information before replacing electronic controls.
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