F019 High

Boiler Fault Code F019

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code F019 appears across 1 boiler brand and 5 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler has stopped working because its internal computer and burner control system are failing to communicate correctly. (As reported on Intergas Xtreme)

Pick your boiler brand for the F019 fix

Source

Information for the F019 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