Ideal Service Required Fault Code
Also written as SERVICEREQUIRED — same fault.
The Ideal Service Required fault code means: your boiler is simply reminding you that it has been over a year since its last professional health check and it is now due for an annual service.. It appears on 2 Ideal models in our database.
Technical description: When the boiler has run for more than 1 year.
What causes the Ideal Service Required fault?
This is not a mechanical failure but a built-in timer notifying you that 12 months have passed since the last maintenance visit. The boiler tracks its own run-time and calendar days to ensure vital safety checks and cleaning are performed by a professional on schedule.
This notification often appears in autumn as homeowners turn their heating back on for the first time, triggering the completion of a full annual cycle.
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 →Ideal models that show the Service Required fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Ideal Service Required fault code information on this page is sourced and cross-checked against the official Ideal service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026