Low
2. on Worcester Bosch Greenstar 25HE

Your boiler is currently running at its maximum power setting as part of its normal automated start-up sequence, so there is no need to worry as this is not 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

max. rated heat output

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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