High
E.02 – .48 on Baxi Suprima 70

Your boiler is having trouble communicating with your thermostat or external programmer, meaning it cannot receive the signal to turn your heating on.

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

Configuration to external device unsuccessful – check pairing to external device.

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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