BoilerFaultCodesBiasi Er 06 Fault Code
Also written as ER06 — same fault.
The Biasi Er 06 fault code means: your boiler has temporarily stopped working because it cannot accurately read the temperature of the water flowing through the heating system due to a faulty sensor.. It appears on 21 Biasi models in our database.
Technical description: Faulty c.h. temp. probe NTC flow
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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A cover plan would handle faults like Er 06: no call-out fees, no surprise bills.
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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.
- Activ A Repair: £90-170
- Advance 25C Repair: £100-£250
- Advance 25S Repair: £100-£250
- Advance 25S Repair: £120-180
- Advance 30C Repair: £100-£250
- Advance 30C Repair: £120-180
- Advance 30S Repair: £100-£250
- Advance 30S Repair: £120-180
- Advance 35C Repair: £100-£250
- Advance 35C Repair: £120-180
- Advance Plus Repair: £120-180
- Advance Plus Repair: £120-180
- Advance Plus 16S Repair: £120-200
- Advance Plus 16S 25S 30S Repair: £120-200
- Advance Plus 25C Repair: £100-£250
- Advance Plus 30C Repair: £100-£250
- Advance Plus 30S Repair: £120-200
- Advance Plus 30S ErP Repair: £100-£250
- Advance Plus 30S ErP Repair: £120-180
- Advance Plus 30S ErP Repair: £90-160
- Advance Plus 35C Repair: £100-£250
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 31 August 2026