Low
45 -- 45 on Worcester Bosch Greenstar 25HE

Your boiler is currently running in a special test mode or minimum power setting, which is not a standard 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

Continuous working at the minimum sanitary/heating power (Special programme visualisation)

DIY fix possible

Check if the service/test mode switches have been left in the 'Min' positionPress the reset button to return to normal operationTurn the boiler off and back on at the fused spur to reboot the system

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