Low
S.24 on Vaillant aquaPLUS

Your boiler is currently busy reheating the built-in hot water storage tank so you have plenty of 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.

Technical description

Status code: Indicates if the tank is being recharged (power store filling mode)

DIY fix possible

Wait approximately 15-20 minutes for the tank to finish refillingCheck that your hot water temperature dial is set to your desired levelEnsure no taps are left running which would prolong the filling process

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Related fault codes

S.20View →S.21View →

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