Low
E50 on Biasi Advance 25C

Your boiler is working normally, but it is displaying a reminder that its annual safety check and service are now due.

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 due / Maintenance period expired

Engineer required

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

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