High
Red - continuous on Worcester Bosch Greenstar 27CDi

Your boiler has stopped circulating water, meaning it cannot provide heating or hot water, and the system is currently unable to operate.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description

Pump stopped

Engineer required

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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