How much does it cost to fix Biasi error code Er06+?

Typical repair cost for the Biasi Er06+ fault is £90-160 including labour.

Er06+ High

Biasi Er06+ Fault Code

Q: What does the Biasi Er06+ fault code mean?

Your boiler has lost track of the radiator water temperature due to a faulty internal sensor, causing the system to stop running as a safety precaution.

Also written as ER06 — same fault.

The Biasi Er06+ fault code means: your boiler has lost track of the radiator water temperature due to a faulty internal sensor, causing the system to stop running as a safety precaution.. It appears on 1 Biasi model in our database.

Technical description: Faulty c.h. temperature probe NTC

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 Er06+ fault code

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

Activa Repair: £90-160

Source

Biasi Er06+ 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