P06 02 Low

Biasi P06 02 Fault Code

Also written as P0602 — same fault.

The Biasi P06 02 fault code means: your boiler is currently running at its maximum power setting for a professional efficiency test and is not experiencing a technical failure.. It appears on 1 Biasi model in our database.

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

Technical description: Activation of the chimney sweep function at maximum DHW output
Typical repair cost £0 (including labour)

DIY fix possible

Wait approximately 15 minutes for the test to time out automaticallyTurn the selector knob to the 'Reset' position and then back to your desired settingSwitch the boiler off and on again at the fused spur switch

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Biasi models that show the P06 02 fault code

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

Source

Biasi P06 02 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