Pylontech Force-H3 Operation Manual page 52

Status LED
solid orange.
5 Battery
module LED
blue solid.
Status LED
solid orange.
Battery
6
module exists
LED in orange
solid
All LED blue
7
but no output.
8 Other failure
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.
Communication lost with inverter
Over current protection.
Control module failure.
Over/ under temperature protection.
Over voltage protection.
Under voltage protection.
Battery module BMS failure
Fuse fusing
Cell failure or electrical board failure.
Or debug tool is needed for further
analysis.
Check the communication cable PIN
and wiring is correct.
Check the inverter communication
settings
Check DC side. And wait until BMS
release protection.
Use debug tool for further analysis or
change the control module.
Check environment temperature.
And wait BMS release.
Check DC charge voltage setting or
wait BMS release.
Perform black start function, and
then charge the system.
Use debug tool for further analysis or
change the battery module.
Change the control module
If you still can't debug the failure,
please contact with distributor or
Pylontech.
49