Maintenance required Low

Biasi Maintenance required Fault Code

Also written as MAINTENANCEREQUIRED — same fault.

The Biasi Maintenance required fault code means: your boiler is simply reminding you that its annual service is due and it needs a routine checkup by a professional.. It appears on 1 Biasi model in our database.

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: The wrench symbol is flashing (without showing any error). It indicates the expiry of the maintenance period.
Typical repair cost £80-£120 (including labour)

Engineer required

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

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Biasi models that show the Maintenance required fault code

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

Source

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

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