Low
Viessmann boilers on Viessmann Vitorond 100

Your boiler is operating normally under its standard settings and there is likely no actual fault to worry about.

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

Control mode

DIY fix possible

Check your thermostat to ensure it is calling for heatMonitor the display to see if the message changes as the house warms upConsult the user manual to confirm if a specific timer or mode has been accidentally selected

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