Error code · Siemens

E:12 · Water supply issue detected

The appliance is not sealing properly, which may lead to water leakage. Check the water supply installation and ensure there is sufficient water pressure.

Washer-dryerCaution — Know When to StopFixLens verified

Safe first steps

  1. Check the water supply hose for any kinks or bends that may prevent proper sealing.
  2. Ensure that the water supply is turned on fully and that there is sufficient water pressure.
  3. Inspect the water inlet filter for any blockages and clean it if necessary.
  4. If the issue persists after checking the hose, water supply, and filter, arrange a service visit — do not run the appliance.

When to stop

  • Stop if you notice any water leaking from the appliance — risk of flooding.

Likely cause

The appliance is not sealing properly, which may lead to water leakage. Check the water supply installation and ensure there is sufficient water pressure.

Verification

Reviewed by: automated manual extraction

Verified against Siemens WK14D490EU technical documentation

FixLens publishes its own structured technical logic verified against Siemens WK14D490EU documentation · last verified April 22, 2026.

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