BoilerFaultCodes 3071 – High
Boiler Fault Code 3071 –
Also written as 3071 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 3071 – appears across 1 boiler brand and 6 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler is having trouble 'talking' to its wireless thermostat or remote controller, which is preventing it from receiving instructions to turn on your heating or hot water. (As reported on Worcester Bosch Greenstar 4000)
Pick your boiler brand for the 3071 – fix
Source
Information for the 3071 – 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