49
5
Status LED
solid orange.
Battery
module LED
blue solid.
Communication lost with inverter
Check the communication cable PIN
and wiring is correct.
Check the inverter communication
settings
Over current protection.
Check DC side. And wait until BMS
release protection.
Control module failure.
Use debug tool for further analysis or
change the control module.
6
Status LED
solid orange.
Battery
module exists
LED in orange
solid
Over/ under temperature protection.
Check environment temperature.
And wait BMS release.
Over voltage protection.
Check DC charge voltage setting or
wait BMS release.
Under voltage protection.
Perform black start function, and
then charge the system.
Battery module BMS failure
Use debug tool for further analysis or
change the battery module.
7
All LED blue
but no output.
Fuse fusing Change the control module
8 Other failure
Cell failure or electrical board failure.
Or debug tool is needed for further
analysis.
If you still can’t debug the failure,
please contact with distributor or
Pylontech.
Once a certain failure is detected following the trouble shooting procedure, turn off the battery
string first before replacement so as to avoid further over discharge to the system due to the self-
consumption.