Low
357 on Worcester Bosch Greenstar 8000 Life Regular

Your boiler is currently running an automated self-cleaning cycle to remove trapped air from the system and does not require any action.

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. Primary Heat Exchanger air venting program active - approximately 100 seconds.

From this model's manual
Verified against the Worcester Bosch Greenstar 8000 Life Regular installation & service manual, page 71.
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 approximately two minutes for the cycle to finish automaticallyMonitor the display to see if the error clears and normal operation resumesIf the boiler does not start after a few minutes, restart the appliance

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