Bosch Washing Machine Error E:30 / -10: What It Means and How to Fix It
Short answer
E:30 / -10 on a Bosch washing machine means: possible causes: low water pressure, blocked inlet filters, tap off, kinked or jammed inlet hose, or a defective water level measurement system. A faucet icon may be shown. First step: Turn the faucet on; check pressure (plumber if low).
Water inlet / level
Likely causes
- Low water pressure
- Blocked inlet filters
- Faucet turned off
- Inlet hose kinked/jammed
- Water level measurement system defective
How to fix it
- 1Turn the faucet on; check pressure (plumber if low).
- 2Clean the inlet filters; make sure the inlet hose is not kinked.
- 3If a level-measurement fault is suspected: wait ~5 min until draining ends, switch the appliance off, then on again.
- 4If the code persists, contact Bosch customer service.
Safety
- Switch the appliance off and unplug it before removing any cover or filter.
When to call a professional: If the message returns after the reset, contact Bosch support.
Applies to: Bosch washing machines
Still showing E:30 / -10? Show it to Rex
Point your phone camera at your Bosch washing machine and Rex, our AI repair expert, walks you through the checks live, step by step.
Source
Based on Bosch's official error code information: Bosch US – Washer Error Codes. Last checked 2026-10-28. Codes and their meaning can differ by model and region; check your appliance's manual.
Frequently asked questions
What does Bosch washing machine error code E:30 / -10 mean?
Possible causes: low water pressure, blocked inlet filters, tap off, kinked or jammed inlet hose, or a defective water level measurement system. A faucet icon may be shown.
How do I fix E:30 / -10 on a Bosch washing machine?
Turn the faucet on; check pressure (plumber if low). Clean the inlet filters; make sure the inlet hose is not kinked. If a level-measurement fault is suspected: wait ~5 min until draining ends, switch the appliance off, then on again. If the code persists, contact Bosch customer service.
When should I call a technician for E:30 / -10?
If the message returns after the reset, contact Bosch support.