BoilerFaultCodesYour boiler has detected very cold temperatures and is running the pump to stop the water inside from freezing.
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: Anti freezing system, pump on
DIY fix possible
Check if the boiler is located in an unheated space like a cold garage or loftEnsure the external condensate pipe is insulated to prevent freezingWait for the ambient temperature to rise, at which point the system should reset automatically
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