Low
h13/H13 on Worcester Bosch Greenstar i

Your boiler is simply reminding you that its annual service is now due to keep it running safely and efficiently.

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

Service reminder reset notification / service is now due

Engineer required

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

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