BoilerFaultCodes 71:0 Low
Boiler Fault Code 71:0
Also written as 710 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 71:0 appears across 1 boiler brand and 5 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler is notifying you that your hot water circulation pump is currently active based on its programmed schedule, which may be an advisory rather than a breakdown. (As reported on Viessmann Vitodens 200)
Pick your boiler brand for the 71:0 fix
Source
Information for the 71:0 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