AM101 Medium

Boiler Fault Code AM101

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code AM101 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 is struggling to understand the temperature settings requested, which usually means the system's internal brain is having a temporary communication hiccup. (As reported on Baxi 400 Combi 2)

Pick your boiler brand for the AM101 fix

Source

Information for the AM101 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