BoilerFaultCodesYour boiler is currently running at its lowest heat setting to maintain temperature, which is a normal operating status rather than a fault.
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: Burner on at minimum CH power
What causes this fault?
This code appears when the boiler has successfully heated your home to the desired temperature and is now ticking over quietly to maintain it. It indicates that the burner is firing at its lowest possible power setting to be as energy-efficient as possible. This is a sign that your heating system is working exactly as intended and balancing the heat load perfectly.
DIY fix possible
Check if your room thermostat is set to a low temperatureWait for the boiler to complete its current heating cycleMonitor the display to see if the code changes to '0' (standby) or a temperature
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