How much does it cost to fix boiler error code Flame does not persist?

Typical repair cost for the boiler Flame does not persist fault is £120-250 including labour.

Flame does not persist High

Boiler Fault Code Flame does not persist

Also written as FLAMEDOESNOTPERSIST — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code Flame does not persist 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 safely shut itself off because it could not keep the flame lit to heat your water and radiators. (As reported on Worcester Bosch Greenstar 15i System)

Pick your boiler brand for the Flame does not persist fix

Worcester Bosch Flame does not persist 1 model

Source

Information for the Flame does not persist 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