VF Low

Boiler Fault Code VF

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code VF 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 currently running a self-cleaning cycle to remove air bubbles from the pipes and will return to normal operation shortly. (As reported on Ideal Logic Code Combi ESP1)

Pick your boiler brand for the VF fix

Ideal VF 4 models

Source

Information for the VF 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