BoilerFaultCodes E02-348 High
Boiler Fault Code E02-348
Also written as E02348 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code E02-348 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 is failing to ignite correctly because the gas flow mechanism is restricted or faulty, preventing it from heating your home. (As reported on Potterton Kingfisher MF RSL)
Pick your boiler brand for the E02-348 fix
Source
Information for the E02-348 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