BoilerFaultCodes P.000 Low
Boiler Fault Code P.000
Also written as P000 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code P.000 appears across 1 boiler brand 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 is currently running an automatic air-clearing sequence, which is a normal process after maintenance or a power restart. (As reported on Vaillant ecoTEC plus)
Pick your boiler brand for the P.000 fix
Source
Information for the P.000 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