Medium
D.14 on Vaillant Combi Compact 282EB

Your boiler is struggling to set the correct speed for the internal pump that moves water through the system.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

Technical description

Pump speed target value

Engineer required

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

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Related fault codes

D.10View →D.15View →F.75View →

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