Medium
E50 on Baxi Megaflo System 24 HE

Your boiler has lost its connection to the hot water temperature sensor, meaning it cannot monitor or heat the water in your cylinder safely.

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 NTC 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

E20View →E28View →

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