Greetings, I have a cerbo gx with touchscreen. Display. My system has 2 smart solar mppt units along with a multiplus. After working perfectly for 2 years showing my pv chargers output on the screen, it has disappeared. Both 150/50 units are on and working through Bluetooth app showing output and data. Ve direct cables are confirmed to be fully plugged in as well. What could cause a loss of communications between the cerbo and mppts?
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