E161 High

Boiler Fault Code E161

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code E161 appears across 2 boiler brands and 3 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 a problem with the fan that clears away waste gases, causing the system to shut down for safety. (As reported on Baxi Duo-tec/Megaflo)

Pick your boiler brand for the E161 fix

Baxi E161 2 models Potterton E161 1 model

Source

Information for the E161 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