How much does it cost to fix Biasi error code E83---126?

Typical repair cost for the Biasi E83---126 fault is £120-£210 including labour.

E83---126 High

Biasi E83---126 Fault Code

Q: What does the Biasi E83---126 fault code mean?

Your boiler is failing to light the gas properly because the component responsible for creating the starting spark is faulty or worn out.

Also written as E83126 — same fault.

The Biasi E83---126 fault code means: your boiler is failing to light the gas properly because the component responsible for creating the starting spark is faulty or worn out.. It appears on 1 Biasi model in our database.

Technical description: Ignition electrode (right)

Typical repair cost £120-£210 (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 E83---126 fault code

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

Riva Compact 24S Repair: £120-£210

Source

Biasi E83---126 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