Low
2 pulses / No light on Worcester Bosch Greenstar 12i System

Your boiler is currently in a manual service mode rather than being broken, which means it is waiting for a simple reset to resume normal operation.

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

Not a fault code. Service mode selected to min, press service button to return to normal.

DIY fix possible

Locate the service button on the boiler control panel.Press and release the service button once to exit the manual setting.Observe the boiler to ensure it returns to its normal status light displays.

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