Check for errors thrown by 6000xp. Check for error logs on battery display Does the inverter 'see' the battery when in lithium mode? if not check...

@glendale789-eg4-forum @Ravasunpower Have you noticed any differences in the inverter behavior (fan noise) after firmware upgrade? Brgds  ...

@dtbaker61 I can't agree more with you. Whenever the system is marketed as Off-grid it should have to be manageable (upgrades, serviced and so on...

@dtbaker61 Well, As hobbyist BETA tester I always build backup plan. I do have externals bypass transfer switch separating Inverter from the hou...

@dtbaker61   I have 6000xp with Gen boost enabled and 110v/220v 32A split phase step up transformer connected to Gen ports. Basically it is ...

@dtbaker61 I have two 600VA UPS units - one powering the wi-fi and the other internet gateway. All firmware updates I have done were in off-gr...

@bporter When power cycling the system I just turned everything off starting from Grid supply, PV, inverter, EPS, opened all the breakers and shut...

@dtbaker61 Maybe new firmware will offer an alternative - look at the latest for 6000xp - new battery type 30 for lithium batteries in open loop ad...

A good Update. Full month has passed and all works as intended (no single blip/power interruption - like my first 4 months of owning 600xp with wall...

THX Eric, Got it, It seems like the safest bet is to have PV connected while there is few hundreds watts of PV production coming in....   ...

@EG4 Eric When I did ccaa-191011 firmware update the first time I had PV disconnected - no issues whatsoever, but the second time when doing the sam...

Good to hear you back on. I guess There is some thing with EG4 equipment firmware updates.... I recently did my Wall mount battery BMS firmware upda...

I had the same issue with the last upgrade. It did not coplete resulting in Error 00 - internal comms error. Make sure you run the inverter on batte...

@dtbaker61 Got it. Yet it seems when in Off-Grid mode with open loop comms during the day my 6000xp did not maintained 54v float voltage as progr...

@dtbaker61 Are you positive the issue was resolved?   I had some issues with my EG4 Wall Mount battery BMS comms with 6000xp (finally reso...