How much does it cost to fix boiler error code 54?

Typical repair cost for the boiler 54 fault is £280-450 including labour.

54 High

Boiler Fault Code 54

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code 54 appears across 2 boiler brands and 4 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler's electronic control board has detected an internal computer error and has shut down as a safety precaution. (As reported on Vokera Linea HE)

Pick your boiler brand for the 54 fix

Vokera 54 3 models Worcester Bosch 54 1 model

Source

Information for the 54 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