I have put in this inverter it has at the moment 2 x 48volt 100amp hauwei batteries. Intend adding a further 2

Have it set up “off grid l” says in inverter mode when PV not available must use battery first then grid. When I turn off the utility the whole machine drops out and everything on it, and reboots it’s self Instead of actually transitioning straight to batteries. When utility comes back it is quite fine and moves onto utility no problem, with out dropping out.

any ideas?

I recommend taking a short video of the symptom, specifically of the screen pictogram, so we can evaluate all the conditions present.

Ideas:

1. Bad batteries?

2. Batteries not charged?

3 .Load too large when switching over from Grid so batteries shuts down?