just installed a 10kWp PV system (6 parallel strings of 4 PV modules in series) feeding into 2 MPPT controllers (250/100), which again feeds a BYD LVL battery bank (2 parallel modules of 15.4 kWh each):
After firing up the system, only one of the 2 MPPT controllers is feeding into the batteries (solid blue BULK light on). The other one remains in an OFF state (blue BULK light blinking slowly), also as shown by the VictronConnect app:
I'm at a loss why this is happening.
The OFF MPPT controller is correctly connected to the battery bank and PV arrays and breakers / isolators are switch ON.
I have also made a "Smart Network" connection between the 2 controllers through the VictronConnect app, hoping this would have the 2 controllers talk to each other, but it didn't make any difference. One of them remains inactive.
I'm wondering whether the BYD BMU has anything to do with this, since that is the unit in overall control of the system.
Hoping anyone of you can shed some light on this. Thanks very much in advance! :-)