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

Typical repair cost for the boiler FAIL POINT D fault is £60-£200 including labour.

FAIL POINT D High

Boiler Fault Code FAIL POINT D

Also written as FAILPOINTD — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code FAIL POINT D appears across 1 boiler brand 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 is not receiving a signal from your thermostat or internal timer telling it to turn on. (As reported on Worcester Bosch Greenstar Si)

Pick your boiler brand for the FAIL POINT D fix

Worcester Bosch FAIL POINT D 4 models

Source

Information for the FAIL POINT D 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