How much does it cost to fix boiler error code Er17?

Typical repair cost for the boiler Er17 fault is £120-200 including labour.

Er17 High

Boiler Fault Code Er17

Also written as ER17 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 7 July 2026

Fault code Er17 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 has stopped working because it cannot correctly measure the temperature of the water circulating inside the heating system. (As reported on Biasi Concept 400 20 1 Mfs)

Pick your boiler brand for the Er17 fix

Biasi Er17 1 model

Source

Information for the Er17 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