Medium
280 on Worcester Bosch Greenstar 28CDi

Your boiler is temporarily preventing itself from restarting to protect its internal components, likely due to a recent power cut or a rapid succession of ignition attempts.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Book a service

This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

What the manual says

Manufacturer manual

F0 Recycle timing error

From this model's manual
Verified against the Worcester Bosch Greenstar 28cdi Compact installation & service manual, page 65.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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