How much does it cost to fix boiler error code Fault 50 140?

Typical repair cost for the boiler Fault 50 140 fault is £120-250 including labour.

Fault 50 140 Medium

Boiler Fault Code Fault 50 140

Also written as FAULT50140 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code Fault 50 140 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 solar heating system is unable to move water because the pump is stuck or there is an air pocket trapped in the pipes. (As reported on Worcester Bosch Greenstar CDi Compact)

Pick your boiler brand for the Fault 50 140 fix

Worcester Bosch Fault 50 140 1 model

Source

Information for the Fault 50 140 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