Low
Vitotronic 200 / 300 on Viessmann A8

Your boiler is working exactly as it should and there is no fault detected.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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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