How much does it cost to fix boiler error code Fault 56 / 147?

Typical repair cost for the boiler Fault 56 / 147 fault is £0-120 including labour.

Fault 56 / 147 High

Boiler Fault Code Fault 56 / 147

Also written as FAULT56147 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code Fault 56 / 147 appears across 1 boiler brand and 2 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler's internal pump settings have been switched to a manual override mode, preventing it from operating automatically as it should. (As reported on Worcester Bosch Greenstar CDi Compact)

Pick your boiler brand for the Fault 56 / 147 fix

Worcester Bosch Fault 56 / 147 2 models

Source

Information for the Fault 56 / 147 fault code is sourced from the official service / installation manual for each model that displays it. Read more about how we source fault codes →

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026