Low
45 -- 45 on Worcester Bosch Greenstar R29 40 HE

Your boiler is currently running in a restricted low-power mode, likely because it is performing a specific system test or an automated diagnostic check.

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)

Engineer required

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

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