Low
h13/H13 on Worcester Bosch Greenstar 12i System

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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Related fault codes

H12View →

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