BoilerFaultCodes E61 490 High
Boiler Fault Code E61 490
Also written as E61490 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code E61 490 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 struggling to circulate water properly, which means it cannot move heat around your radiators or taps effectively. (As reported on Ariston Excalibur)
Pick your boiler brand for the E61 490 fix
Source
Information for the E61 490 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