Bosch Washer E:30 / -20 Error Code

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What it means

The washer detected excessive detergent, added water, or a water-inlet valve condition.

Try this first

Do not add extra water while the washer is running.
Reduce detergent quantity.
Turn the washer off and restart it once.

Can I keep using it?⚠ Bosch diagnostic fault

Repair usually required?⚠ Service may be required

If the error keeps returning

If E:30 / -20 returns after troubleshooting, Bosch recommends customer support or qualified service.

Official source

Troubleshooting information verified against manufacturer support documentation.

View manufacturer support page →

Safety note:ApplianceSignal provides general troubleshooting information. Always follow the appliance manufacturer's safety instructions and disconnect power when required.

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Bosch Washer E:30 / -20: Quick Answer

What it means: The washer detected excessive detergent, added water, or a water-inlet valve condition.

First thing to check

Do not add extra water while the washer is running.

Can I keep using it?

Bosch diagnostic fault

Repair outlook

Service may be required

If the code remains

If E:30 / -20 returns after troubleshooting, Bosch recommends customer support or qualified service.

Model note: Error-code meanings and procedures can vary by model and model year. Confirm the code against the documentation for your exact appliance before replacing parts.

Manufacturer reference: bosch-home.com