How much does it cost to fix boiler error code FAIL POINT L?

Typical repair cost for the boiler FAIL POINT L fault is £120-£350 including labour.

FAIL POINT L High

Boiler Fault Code FAIL POINT L

Also written as FAILPOINTL — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code FAIL POINT L appears across 1 boiler brand and 3 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler has likely been left in a testing mode during a service, or it is struggling to control the temperature of your hot water properly. (As reported on Worcester Bosch Greenstar Si)

Pick your boiler brand for the FAIL POINT L fix

Worcester Bosch FAIL POINT L 3 models

Source

Information for the FAIL POINT L 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