How much does it cost to fix Biasi error code E83---181?

Typical repair cost for the Biasi E83---181 fault is £180-350 including labour.

E83---181 High

Biasi E83---181 Fault Code

Q: What does the Biasi E83---181 fault code mean?

Your boiler has detected a physical issue or insulation failure within the main combustion chamber, which is preventing it from heating safely.

Also written as E83181 — same fault.

The Biasi E83---181 fault code means: your boiler has detected a physical issue or insulation failure within the main combustion chamber, which is preventing it from heating safely.. It appears on 1 Biasi model in our database.

Technical description: Combustion chamber rear panel (mod.M96.28SM/...M96.28SR/...)

Typical repair cost £180-350 (including labour)

Engineer required

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

Find a Gas Safe engineer

Search the official register for a qualified engineer in your area.

Gas Safe Register →

Biasi models that show the E83---181 fault code

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

Riva Compact 24S Repair: £180-350

Source

Biasi E83---181 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