Low
D.25 on Vaillant Combi Compact 282EB

Your boiler is currently providing hot water because it has received a digital request from your external heating controls or smart thermostat.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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

Hot water activation via ebus control

DIY fix possible

Check if a hot water tap is turned onCheck if your smart thermostat 'boost' or 'schedule' for hot water is activeTurn off any active hot water demand on your control panel to see if the code clears

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Related fault codes

D.22View →D.23View →

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