Pylontech Pelio-L-5.12 Operation Manual page 46

ON the circuit breaker between battery and inverter if
available.
1) Switch on all the battery Modules by power switch.
2) Press the START button for more than 3 second to power
on, all the LED lights of battery modules will be
white which means you launch it successfully. Then the
rest batteries will start one by one and keep one
light flashing after all the LED lights on.
3) It takes about 15 seconds to finish the start for a
Pelio system of 20 modules and please confirm that all
machines are started normally before operation.
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