Low
Sr on Alpha E-Tec Plus 10 / 18

Your boiler is simply reminding you that its annual service is now due to ensure it continues to run 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 - Time in months after which 'Sr' (service reminder) is displayed

Engineer required

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

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