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
- Check if the dishwasher is plugged in and the power supply is functioning.
- Ensure the water faucet connected to the dishwasher is fully closed.
- Unscrew the water connection and check the strainer for clogs. Clean it if necessary.
- Reattach the water connection and check for any leaks before turning the power back on.
- 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