Medium
E54 on Baxi Suprima 100

Your boiler is struggling to detect when you turn on the hot water tap, meaning you may experience cold showers or inconsistent water 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

Domestic hot water (DHW) flow sensor fault

Engineer required

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

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Related fault codes

E53View →E55View →

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