E83-122 High
Boiler Fault Code E83-122
Also written as E83122 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code E83-122 appears across 2 boiler brands and 7 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 detect the flame needed to heat your water, so it has safely shut itself down to prevent any issues. (As reported on Ideal Mini HE)
Pick your boiler brand for the E83-122 fix
Source
Information for the E83-122 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 27 April 2026