Low
2 pulses on Worcester Bosch 30i Junior

Your boiler is accidentally stuck in a technician's testing mode and needs to be switched back to its normal operating setting.

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

Check service mode switch is in minimum position

DIY fix possible

Locate the small selector switch on the control panelEnsure the switch is turned away from the 'minimum' or 'service' iconsPress the Reset button to clear the flashing light

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