E02-347 High
Boiler Fault Code E02-347
Also written as E02347 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code E02-347 appears across 1 boiler brand and 1 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler has failed to light the flame properly, meaning it cannot produce heat or hot water because the ignition system is not functioning. (As reported on Potterton Kingfisher MF RSL)
Pick your boiler brand for the E02-347 fix
Source
Information for the E02-347 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 7 July 2026