Boiler Fault Code E04-582

Also written as E04582 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026

Fault code E04-582 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 read its own water temperature, so it has safely shut itself down to prevent potential overheating. (As reported on Worcester Bosch 24i RSF)