BoilerFaultCodes.com
0 Low

Your boiler is perfectly healthy and is simply waiting for a signal from your thermostat or timer to start heating up.

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: Standby: there is no heat demand from control system.

DIY fix possible

Check your thermostat to ensure it is set to a temperature higher than the current room temperatureEnsure your heating timer or programmer is currently set to an 'ON' periodCheck that any smart heating app you use is set to request heat

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