High
E50 on Baxi Profile Prima

Your boiler's temperature sensor for hot water is giving an incorrect reading or has failed, meaning the system cannot safely heat your water to the right temperature.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description

Hot water NTC (Negative Temperature Coefficient) error

Engineer required

This is a high severity fault. Stop using the boiler and call 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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