Low
1018 on Worcester Bosch Greenstar 27CDi

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

Inspection is due via the service display

Engineer required

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

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