Low
S.08 on Vaillant Home System

Your boiler is currently taking a short, planned break to allow heat to dissipate after finishing a heating cycle.

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

Heating mode: Temporary shutdown after heating procedure

DIY fix possible

Wait 5 to 10 minutes for the boiler to restart automaticallyEnsure radiators are not all turned offCheck that the room thermostat is calling for heat

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