Also applies to:Axpert MAX II TWIN 8KWAxpert MAX II TWIN 11KWAxpert MAX II TWIN 12KWAxpert MAX II Duplex 8KW+26
What it means
Power feedback protection
Cause: Power feedback protection.
How to fix it
- Restart the unit.
- If the fault happens again, contact your installer or the repair centre.
Source: Voltronic manual, p.64






