BoilerFaultCodes AM001 Low
Boiler Fault Code AM001
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code AM001 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 simply indicating that the domestic hot water function is currently active and ready to provide hot water to your taps. (As reported on Baxi 400 Combi 2)
Pick your boiler brand for the AM001 fix
Source
Information for the AM001 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