Vitotronic 200 / 300 Low

Viessmann Vitotronic 200 / 300 Fault Code

Also written as VITOTRONIC200300 — same fault.

The Viessmann Vitotronic 200 / 300 fault code means: your boiler is operating correctly and the control system is working as intended with no faults detected.. It appears on 5 Viessmann models in our database.

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

Technical description: Normal operation

DIY fix possible

This fault may be fixable without an engineer. Check your manual first.

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Viessmann models that show the Vitotronic 200 / 300 fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Viessmann Vitotronic 200 / 300 fault code information on this page is sourced and cross-checked against the official Viessmann service / installation manuals for each affected model.

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