Low
bb.. on Ariston Genus 27

Your boiler is currently heating the water stored in your external cylinder, which is a normal operating status rather than a fault.

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

Storage cylinder, burner on (SYSTEM version)

DIY fix possible

Check your hot water programmer or thermostat settingsWait for the cylinder to reach its target temperatureMonitor the display to see if it returns to a standard code once heating is finished

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