Boiler Fault Code Vitodens 200-W

Also written as VITODENS200W — same fault.

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

Fault code Vitodens 200-W 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 continuing to work but cannot accurately measure the water temperature in a specific part of your system, usually meaning your heating might not be as efficient or consistent as usual. (As reported on Viessmann A8)