How much does it cost to fix boiler error code E24 077?

Typical repair cost for the boiler E24 077 fault is £180-300 including labour.

E24 077 High

Boiler Fault Code E24 077

Also written as E24077 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 7 July 2026

Fault code E24 077 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 switch between heating your house and heating your hot water, which likely means it will stop providing hot water or central heating. (As reported on Ariston Genus 24 Rffi)

Pick your boiler brand for the E24 077 fix

Ariston E24 077 1 model

Source

Information for the E24 077 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