Low
357 on Worcester Bosch Greenstar Ri

Your boiler is currently performing a brief automatic routine to clear trapped air from the system after it was recently turned on or reset.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

What the manual says

Manufacturer manual

Appliance in air purge mode.

From this model's manual
Verified against the Worcester Bosch Greenstar Ri installation & service manual, page 37.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

Wait for the process to finish, which typically takes a few minutes.Ensure your heating and hot water controls are set correctly.If the code persists for more than 15 minutes, turn the boiler off at the power switch, wait 30 seconds, and turn it back on.

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