Victron energy MultiPlus-II Manual page 12

For more error codes see section 7.3
For the latest and most up to date information about the
blink codes, please refer to the Victron Toolkit app.
Click on or scan the QR code to get to the Victron Support
and Downloads/Software page.
Page 9
MultiPlus-II 48V 3kVA 120V
PowerAssist
The AC input is switched through, but the load requires more
current than the preset maximum input current. The inverter is
switched on to supply the required additional current. The "mains
on" LED is on and the "inverter" LED is blinking.
Operation