E01.11 High

Boiler Fault Code E01.11

Also written as E0111 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code E01.11 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 detected that the internal fan responsible for moving air and exhaust gases is spinning at the wrong speed, causing the system to stop working for safety reasons. (As reported on Remeha Quinta Ace 30)

Pick your boiler brand for the E01.11 fix

Source

Information for the E01.11 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