@slackware1995 you would need to know what type of batteries and the BMS output amperage to spec the cables for the batteries. As for the inverter it'...

Hi Eric, yes it's online, I don't see warnings or errors other than the over-current warning in the log. 43730P0310 is the one that's stuck in standby...

Did replacing the FB21 fix your issues? I just found this same thing on mine. When the FB21 is powering things I get a hum from the receiver but whe...

@jlankford Thanks for the suggestion. Actually, I did not even realize the indoor batteries had heaters. I thought only the outdoor version had them. ...

@gigadudeAre you getting any error or warning on the inverter?Do you have the inverter online? If so, can you share the inverter serial number so I ca...

@eg4eric there is no error message or warning. When it reboots everything comes up normally as well.

@dtbaker61 I shut everything off, batteries included. Usually the batteries are almost fully charged and I am not going to be there for several wee...

@ep357Are you getting any errors or warnings?Can you share a video of this happening?

@gtsquires I saw that they're indoor batteries, but plenty of people install those in unheated sheds so it seemed like a reasonable question. The 224 ...

And another mystery. At 5 am when there is no PV activity and no battery discharge, I export power to the grid for 5 minutes.  

@jlankford These are the INDOOR wall mount batteries. Per the manual, the heaters will come on at 32 F and turn off at 41 F. My basement temps might g...

How cold are these batteries? My first guess is that this is caused by heater discharge. FYI, the 18Kpv EPS standby consumption won't look like this...

@jlankford Here are the graphs for 2/1/26 and 2/2/26. What do you surmise, or what would you expect to see?

What does your vBat graph look like?