Boiler Fault Code Vitotronic 050/200-H

Also written as VITOTRONIC050200H — same fault.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026

Fault code Vitotronic 050/200-H 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 heating system is essentially ignoring its outdoor weather sensors once the temperature drops below freezing, which may cause it to run at a constant temperature regardless of the weather. (As reported on Viessmann Vitola Biferral)