A smooth low hum from the EW6S404WP while the drum turns can be the motor operating normally; scraping or stalled movement is different. Keep the diagnosis at user level: record the exact stage, change one condition at a time and do not open the cabinet. The drive motor changes speed repeatedly during wash agitation, producing a steady electrical tone that stops when the drum pauses. Normal hum follows drum movement without error. A hum with no rotation, repeated clicking, grinding or burning smell is not normal. Observe one wash phase from outside, check the cabinet is not touching furniture and remove loose objects from pockets; do not try to lubricate or reach the motor. If the sound stays soft and rotation is regular, continue use. If movement stalls or noise worsens, cancel and report the exact stage.
Models covered
Safety first
- Cancel the programme, unplug the washer, close the taps and let retained water cool. Never force a locked door or lid, bypass an interlock or remove a panel.
What the symptom may indicate
Checks in the right order
- Confirm before acting
The drive motor changes speed repeatedly during wash agitation, producing a steady electrical tone that stops when the drum pauses.
- Make the appliance safe
Cancel the programme, unplug the washer, close the taps and let retained water cool. Never force a locked door or lid, bypass an interlock or remove a panel.
- Apply the official check
Observe one wash phase from outside, check the cabinet is not touching furniture and remove loose objects from pockets; do not try to lubricate or reach the motor.
- Retest once and decide
If the sound stays soft and rotation is regular, continue use. If movement stalls or noise worsens, cancel and report the exact stage.
Stop and get qualified help when
- Stop for water under the washer, a damaged hose, burning smell, a hot plug, violent metal noise or a symptom that returns after the single documented test.
Next step
Repair, replace a part, or arrange a diagnosis?
Use the checks and stop conditions above to choose a cautious next step. A symptom alone never proves that the appliance has failed.
Resolve it without buying anything
Complete the 4 user-accessible checks in order. If normal operation returns and no warning sign remains, no replacement is indicated.
Replace only the confirmed part
If the checks isolate a worn or blocked component, match its complete reference to the exact appliance model before ordering.
This guide does not identify a replacement part. Do not order a generic component from the symptom alone.
Arrange a diagnosis before replacing the appliance
Stop at any warning sign listed above. A qualified diagnosis should confirm that repair is unsafe, unavailable or uneconomical before an appliance replacement is considered.
Sources used
- Electrolux — Electrolux's official support material documents this exact symptom path for EW6S404WP; the procedure here keeps only user-accessible checks.
Last checked: 30 August 2026