Medium
E32 on Baxi Duo-tec Combi

Your boiler has detected that limescale buildup is affecting the sensor that monitors your hot water flow, which may lead to lukewarm water or inconsistent temperatures.

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

Scaling alarm (DHW 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

E31View →

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