Low
d.20 on Vaillant ecoFIT pure

Your boiler has reached the maximum temperature limit you have set for your hot water.

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 control panelTurn the temperature down slightly if you prefer cooler waterObserve if the code disappears once the water temperature stabilizes

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Related fault codes

S.14View →

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