Low
d.05 on Vaillant ecoFIT Pure 435

This is a normal status message showing the temperature your boiler is currently aiming to reach for your heating, rather than a fault code.

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

Determined heating flow set target temperature

DIY fix possible

Check if your thermostat is currently calling for heatAdjust the heating temperature dial on the front of the boiler if you wish to change the targetPress the 'Back' or 'i' button to return to the main pressure display

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Related fault codes

d.00View →d.01View →d.02View →S.04View →

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