Also applies to:Axpert MAX II TWIN 8KWAxpert MAX II TWIN 11KWAxpert MAX II TWIN 12KWAxpert MAX II Duplex 8KW+37
What it means
Battery is over-charged — Warning code 03 flashing on the display: Battery is over-charged. Audible alarm: beep once every second.
Cause: Battery is over-charged.
How to fix it
Return to repair center.
Source: Voltronic manual, p.48






