High
Condensate pump failed on Worcester Bosch Greenstar i

Your boiler has stopped working because the internal pump that removes waste water is not functioning, causing a safety shutdown to prevent a leak.

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

Mains supply to condensate pump. Condensate Pump unit. Continuity of all cables to pump unit.

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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