How much does it cost to fix boiler error code Fault 56 154?

Typical repair cost for the boiler Fault 56 154 fault is £0-120 including labour.

Fault 56 154 High

Boiler Fault Code Fault 56 154

Also written as FAULT56154 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code Fault 56 154 appears across 1 boiler brand and 1 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 has been manually overridden or is stuck in a manual operation mode, which is preventing it from working automatically to heat your home. (As reported on Worcester Bosch Greenstar CDi Compact)

Pick your boiler brand for the Fault 56 154 fix

Worcester Bosch Fault 56 154 1 model

Source

Information for the Fault 56 154 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