Boiler Fault Code E02 071

Also written as E02071 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026

Fault code E02 071 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 is struggling to clear exhaust gases effectively, so it has safely shut itself down to prevent internal damage. (As reported on Ariston Genus One 24)