810 High
Boiler Fault Code 810
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 810 appears across 2 boiler brands and 6 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler has shut down because it has detected a dangerously high temperature inside the system, indicating it is overheating. (As reported on ECA FELiS FL 50 HM)
Pick your boiler brand for the 810 fix
Source
Information for the 810 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 31 August 2026