Low
d.20 on Vaillant ecoFIT Pure 418

Your boiler is currently set to the maximum allowed temperature for your hot water storage, which is an advisory status rather than a breakdown.

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

Maximum hot water set target temperature

DIY fix possible

Locate the hot water temperature dial or buttons on the boiler control panelTurn the dial or press the minus button to lower the temperature slightlyCheck if the display changes to show your newly selected temperature

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Related fault codes

d.00View →d.01View →

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