Low
Neon B Flashing very slowly on Alpha C19

Your boiler is currently stuck in a standby or waiting mode because it is receiving power but has not been triggered to start heating.

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

Electricity supply to the boiler is on.

DIY fix possible

Check your room thermostat or smart controller settings to ensure they are calling for heatIncrease the temperature setting on your thermostat to see if the boiler fires upCheck if the boiler's own internal hot water or heating dials are turned up sufficiently

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