BoilerFaultCodes 80:2 to 80:199 Low
Boiler Fault Code 80:2 to 80:199
Also written as 802TO80199 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 80:2 to 80:199 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 waiting for a pre-set delay period to pass before restarting, often caused by a temporary communication gap or a signal issue between internal components. (As reported on Viessmann Vitodens 300-W)
Pick your boiler brand for the 80:2 to 80:199 fix
Source
Information for the 80:2 to 80:199 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