Pylontech Pelio-L-5.12 Operation Manual page 43

inverter and correctly settings on inverter to run safely. Check the setting of the
inverter or charger, the charge voltage shall be 56-56.8Vdc; Check the
communication between battery system and inverter whether established or not;
Check the ADD switch on battery module whether is set correctly or not;
Under this condition, the BMS remains functional without damage. Just leave the
module switched OFF and wait for the battery voltage drop down
naturally(15mins) then restart. If then no alarm comes out, this means the
module is ready for work again.
If problem remains after above troubleshooting steps, please extract the logs from
the battery using the USB, switch off the module and send the logs to your local
distributor for help.
5) Slave offline
a) Slave module over discharged.
Solution: Recharge the battery system into relevant SOC range.
b) Communication cable loosen between battery modules.
Solution: Double check the connectivity of the communication between the
battery modules. Make sure there is no loosen or damage.
If the slave batteries are operating normally, and the communication cable is
checked, but the slave offline error remains, please extract the logs from the
battery using the USB, switch off the module and send the logs to your local
distributor for help.
6) BMS error
Solution：Extract the logs from the battery using the USB, switch off the module and
send the logs to your local distributor for help.
7) CMOS fail
a) The fuse blew out.
Solution: Power off all battery and inverters. Disconnect breaker. Check the cable
connection and disconnect all power cables. Check the power port damaged or
not. Check the setting of inverter or charger, check the communication between