How much does it cost to fix boiler error code Er11+RESET?

Typical repair cost for the boiler Er11+RESET fault is £120-300 including labour.

Er11+RESET High

Boiler Fault Code Er11+RESET

Also written as ER11RESET — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code Er11+RESET 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 detects a flame when it shouldn't be there, so it has shut down as a safety precaution. (As reported on Biasi Activa)

Pick your boiler brand for the Er11+RESET fix

Biasi Er11+RESET 1 model

Source

Information for the Er11+RESET 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