BoilerFaultCodes E83---129 High
Boiler Fault Code E83---129
Also written as E83129 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code E83---129 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 unable to safely control the flow of gas required to light the burner, meaning your heating and hot water will not work. (As reported on Biasi Riva Compact 24S)
Pick your boiler brand for the E83---129 fix
Source
Information for the E83---129 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