How much does it cost to fix Biasi error code E83---178?

Typical repair cost for the Biasi E83---178 fault is £120-280 including labour.

E83---178 High

Biasi E83---178 Fault Code

Q: What does the Biasi E83---178 fault code mean?

Your boiler has detected an internal insulation issue or a heat-related fault that requires a professional safety inspection of the main central heating components.

Also written as E83178 — same fault.

The Biasi E83---178 fault code means: your boiler has detected an internal insulation issue or a heat-related fault that requires a professional safety inspection of the main central heating components.. It appears on 1 Biasi model in our database.

Technical description: Combustion chamber side panels

Typical repair cost £120-280 (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---178 fault code

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

Riva Compact 24S Repair: £120-280

Source

Biasi E83---178 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