Low
D.5 on Vaillant Combi Compact 282EB

Your boiler is currently waiting for the water temperature to drop or is processing a specific demand for heat, which is a normal operational status rather than a breakdown.

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

Set value of flow temperature or target value of return

DIY fix possible

Check if your thermostat is turned up or calling for heatEnsure radiators are turned onWait up to 10 minutes to see if the code changes to a heating symbol

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