How much does it cost to fix boiler error code 55146?

Typical repair cost for the boiler 55146 fault is £80-160 including labour.

55146 Low

Boiler Fault Code 55146

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code 55146 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 built-in solar water heating software has been activated, but the solar system hasn't been set up or configured correctly for use. (As reported on Worcester Bosch Greenstar CDi Compact)

Pick your boiler brand for the 55146 fix

Worcester Bosch 55146 1 model

Source

Information for the 55146 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