Low
d.25 on Vaillant ecoTEC plus aquaPLUS

Your boiler is currently heating the internal water storage tank to ensure you have hot water ready to use.

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.

What the manual says

Manufacturer manual

Storage tank status

From this model's manual
Verified against the Vaillant Ecotec Plus Aquaplus installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

No action is required as this is a normal status message rather than an error.Wait for the boiler to finish the heating cycle.Check that your hot water temperature dial is set to your preferred level.

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S.20View →S.24View →

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