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...

Good News,   It seems that the Wall Mont battery BMS comms issues causing inverter stop 'seeing there is battery" when set up in Lithium type...

A positive update, Today I decided to look again at my setup and search for any more error logs in addition to what I have already reported. I...

I was told yesterday to do cold restart of entire system including BMS, which I did and ... No change. The comms from Wall mount battery BMS to inve...

Indeed ppl have issues with indoor Wall Mount batteries comms. See the latest results of trying to fix it: It looks as systematic BMS comms iss...

@eg4eric I have just updated the BMS firmware to the latest. Connected the BMS tools and checked all - see below: YET, When a...

@eg4eric Have received the cables and took a chance to update Wallmount battery BMS to latest firmware. All went well with update - che...

Well, I managed to diagnose the issue with EG4 remotely - the main control board was found faulty. Had it replaced twice and eventually RMA entire o...

I had my mini split RMA replaced (outdoor unit only) . I had the same concern with pre-charged line set. Therefore I talked with the vendor and made t...