BoilerFaultCodesYour boiler is working normally, but it is providing a friendly reminder that its annual safety and maintenance service is now due.
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: The appliance has a service reminder - please contact your service engineer.
What causes this fault?
This is not a mechanical failure, but a timer-based notification triggered by the control board. It occurs because the boiler has reached a specific interval of internal operating hours or a set calendar date since its last professional inspection. The system uses this feature to ensure the appliance continues to run safely and efficiently by prompting a scheduled check-up.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
Find a Gas Safe engineer
Search the official register for a qualified engineer in your area.
Gas Safe Register →Protect yourself from future repair bills
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