High
E50 on Baxi Bermuda

Your boiler has detected a problem with the sensor that monitors the temperature of your hot water, meaning your taps may stay cold.

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.

Find a Gas Safe engineer
Search the official register →

Related fault codes

Related guides you might find useful