Low
S.04 on Vaillant Combi Compact 282EB

Your boiler is operating normally and is currently firing up to provide central heating.

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 – burner ignited

DIY fix possible

No action is required as this is a status code, not a fault code.Ensure your thermostat is set to the desired temperature.Monitor the display to see if it transitions to other status codes like S.01 or S.03.

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