My AC300 PV input shows no wattage coming in but voltage shows. It started when my two b300 batteries were not balancing out, b300 socket 1 at 95% and the other b300 socket 2 at 45%. So I unlocked the communication cables connected from the ac300 to the two b300s and disconnected and reconnected it in a different order, then the alarms went off with error codes 098 BMS over voltage and 103 BMS communication cables error. Then the PV wattage went to 0 and no longer took a charge though the voltage still shows normally.
- Please make sure the cable should be locked entirely.
- Please connect AC300 with one battery only to test if it is the problem with one of the B300.
- Please cross-check the extension cable.