F 02 High

Boiler Fault Code F 02

Also written as F02 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code F 02 appears across 3 boiler brands and 11 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler has started to light but the flame has gone out unexpectedly, often because the gas supply is interrupted or a sensor cannot detect the fire. (As reported on Ideal i-mini2 C24)

Pick your boiler brand for the F 02 fix

Source

Information for the F 02 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 31 August 2026