F.62 Emergency

Boiler Fault Code F.62

Also written as F62 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code F.62 appears across 1 boiler brand and 53 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler has identified a safety issue where the gas valve remains open or is leaking gas when it should be shut off, causing it to lock out for protection. (As reported on Vaillant Turbomax Plus 824/828E)

Pick your boiler brand for the F.62 fix

Source

Information for the F.62 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