Low
E10 on Baxi Suprima 30

Your boiler is having trouble communicating with the optional sensor used to monitor the weather outside.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

Technical description

Outdoor sensor error

DIY fix possible

Check if the boiler operates normally in manual mode without outdoor compensationInspect the outdoor sensor wire for any obvious external damage or loose connectionsReset the boiler to see if the communication error clears

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