Low
d.11 on Vaillant ecoFIT pure

Your boiler is currently reporting the operational status of an internal pump used to move water around the heating system.

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

Status of the heating circuit's shunt pump

DIY fix possible

Check if the heating and hot water are still working as normalIdentify if this is an information status rather than a breakdown codeMonitor the display to see if it reverts to a standard temperature reading

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