Low
2F:2 on Viessmann Vitodens 200-W

Your boiler is currently running an automated process to clear air out of the system after it was recently refilled or serviced.

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

Filling program active

DIY fix possible

Wait 20 minutes for the automated program to finish.If the code persists, restart the boiler using the power switch.Ensure your system pressure is set correctly between 1.0 and 1.5 bar.

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