Medium
D.36 on Vaillant Combi Compact 282EB

Your boiler is struggling to detect when you turn on your hot taps, meaning you may experience cold water or intermittent temperature changes.

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

Hot water flow sensor

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.35View →F.22View →

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