Error code · Bosch

E:30 · Water supply issue

The water pressure is too low, preventing operation. Check the water supply and clean the inlet filters.

Washing machineCaution — Know When to StopFixLens verified

Safe first steps

  1. Check if the water supply valve is fully open.
  2. Inspect the inlet hose for kinks or blockages.
  3. Turn off the water supply and remove the inlet filter to clean it.
  4. Reattach the filter and hose, then turn the water supply back on.

When to stop

  • If the water pressure remains low after checking the supply and cleaning the filters, call a professional.

Likely cause

The water pressure is too low, preventing operation. Check the water supply and clean the inlet filters.

Verification

Reviewed by: automated manual extraction

Verified against Bosch technical documentation

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

Official manufacturer support