Low
S.58 on Vaillant ecoTEC Pro 30

Your boiler has temporarily restricted its performance because it is struggling to intake air correctly, likely due to strong winds or an obstruction in the flue.

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

Modulation limitation due to noise/wind

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Related fault codes

F.28View →F.29View →

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