E30 Bosch Washer Error Code

Inspect first

Water supply problem.

What does E30 mean?

Low water pressure, blocked inlet filters, faucet turned off, kinked inlet hose, or defective water level measurement system. | E:30/-20: Detergent dosage too high, extra water was added manually, or the solenoid valve is defective. | E:30 / -80: Drain path problem: blocked or kinked drain pipe/outlet hose, outlet hose installed too high, unsuitable hose extension, blocked drain pump, or pump cap not fully screwed in; overdosing can also trigger it.

Common causes

The manufacturer support page points to these conditions for this code:

  • A blocked or dirty filter
  • A kinked, bent, or pinched hose

What to check first

  1. Turn the faucet on;
  2. clean the inlet filters;
  3. ensure the inlet hose is not kinked or jammed;
  4. check water pressure;
  5. if a level-measurement fault is suspected wait about 5 minutes for draining, then switch the appliance off and on again.

When to call a professional

If a defective solenoid valve is suspected - service required.

Official source

This explanation follows the manufacturer support page: Bosch Washer Error Codes.

If you see water on the floor, smell burning, or the official page says to call service, stop and contact the manufacturer or a qualified technician.