Error code · Bosch

E:30 · Technical malfunction

This error indicates a technical malfunction. Check the power supply and ensure the faucet is closed.

DishwasherCaution — Know When to StopFixLens verified

Safe first steps

  1. Check if the dishwasher is plugged in and the power supply is functioning.
  2. Ensure the water faucet connected to the dishwasher is fully closed.
  3. Unscrew the water connection and check the strainer for clogs. Clean it if necessary.
  4. Reattach the water connection and check for any leaks before turning the power back on.
  5. If the error persists after these checks, inspect the dishwasher for any visible damage or loose connections — do not run the appliance.

When to stop

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

Likely cause

This error indicates a technical malfunction. Check the power supply and ensure the faucet is closed.

Verification

Reviewed by: automated manual extraction

Verified against Bosch SMV46KX55E technical documentation

FixLens publishes its own structured technical logic verified against Bosch SMV46KX55E documentation · last verified April 21, 2026.

Official manufacturer support