Medium
E.02 – .48 on Baxi Suprima 115

Your boiler is having trouble communicating with your thermostat or other smart home controllers.

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

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

DIY fix possible

Check that your wireless thermostat or programmer has fresh batteries.Ensure the external controller is powered on and within range of the boiler.Try resetting the boiler and the external control unit at the same time to re-establish the link.

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