P.06 Low
Boiler Fault Code P.06
Also written as P06 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code P.06 appears across 1 boiler brand and 28 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler has been manually set to a maintenance mode for filling or draining the system, meaning it is currently paused and will not provide heating or hot water. (As reported on Vaillant ecoTEC Pro)
Pick your boiler brand for the P.06 fix
Source
Information for the P.06 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