96 High

Biasi 96 Fault Code

The Biasi 96 fault code means: your boiler has detected an issue with the electrical power supply coming into your home, meaning the electrical timing does not match what the boiler requires to run safely.. It appears on 4 Biasi models in our database.

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description: Incorrect network frequency.
Typical repair cost £100-£350 (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 96 fault code

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

Source

Biasi 96 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