How much does it cost to fix Biasi error code Er 06?

Typical repair cost for the Biasi Er 06 fault is £90-£160 including labour.

Er 06 Medium

Biasi Er 06 Fault Code

Q: What does the Biasi Er 06 fault code mean?

Your boiler is having trouble measuring the temperature of your hot water, which usually results in the water being stone cold or not reaching the right temperature.

Also written as ER06 — same fault.

The Biasi Er 06 fault code means: your boiler is having trouble measuring the temperature of your hot water, which usually results in the water being stone cold or not reaching the right temperature.. It appears on 2 Biasi models in our database.

Technical description: D.H.W. temperature probe NTC fault

Typical repair cost £90-£160 (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 Er 06 fault code

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

Source

Biasi Er 06 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