Low
E10 on Potterton Sirius WH

Your boiler is struggling to detect the weather outside, so it is defaulting to a standard operating mode.

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 temperature sensor failure

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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