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