How much does it cost to fix boiler error code EE 0077?

Typical repair cost for the boiler EE 0077 fault is £120-180 including labour.

EE 0077 High

Boiler Fault Code EE 0077

Also written as EE0077 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code EE 0077 appears across 1 boiler brand and 4 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler's temperature sensor is sending an incorrect electrical signal, which is preventing it from safely heating your water or home. (As reported on Ariston E-Combi One 30)

Pick your boiler brand for the EE 0077 fix

Ariston EE 0077 4 models

Source

Information for the EE 0077 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