How much does it cost to fix Grant error code SERVICE?

Typical repair cost for the Grant SERVICE fault is £100-180 including labour.

SERVICE Low

Grant SERVICE Fault Code

Q: What does the Grant SERVICE fault code mean?

Your boiler has reached its scheduled maintenance interval and is simply reminding you that it is time for a professional annual service.

The Grant SERVICE fault code means: your boiler has reached its scheduled maintenance interval and is simply reminding you that it is time for a professional annual service.. It appears on 1 Grant model in our database.

Technical description: Time lapse period before the burner screen displays ‘SERVICE’. This is to indicate a service is now due.

Typical repair cost £100-180 (including labour)

Engineer required

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

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Grant models that show the SERVICE fault code

Click a model for the full fault code list and model-specific repair notes.

Spira Repair: £100-180

Source

Grant SERVICE fault code information on this page is sourced and cross-checked against the official Grant service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026