Pylontech Force-H1, Operation Manual

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5.
Maintenance
5.1 Trouble Shooting:
Danger: The Force-H1 is a high voltage DC system, operated by qualified and authorized person
only.
Danger: Before check the failure, must check all the cables connection and the BESS system can
turn on normally or not.
Check the environment first
No Problem Possible Reason Solution
1 No power output, no led
on. Press start button too short. To turn on, at least 5s
To black start, at least 10s.
The button battery in controller is
missing or failure.
The power supply in controller is
failure Change the controller
module.
The battery voltage is too low. Make sure at least 3 battery
modules.
The connector of base is failure The base is not connected or
change the base
2 After turned on, status
LED
slow flashing
orange. Others off.
Self-checking failure.
DC side has a voltage, but voltage
difference with the battery system is
higher than 20V. Make sure no DC voltage or
set correct DC voltage
before press start button.
Then follow turn on process.
BMS internal failure. Use debug tool to further
analysis or change the
controller module.
3 Status LED fast flashing
orange, others off. The time interval after last time
black start is too short. Wait more than 5 minutes
and try black start again.
The battery system under error
condition such as: temperature or
current protection or other error,
thus do not response black start. Make sure no other
protection factor. Or use
debug tool to further
analysis.
4 Buzzer rings continue Relay adhesion or failure. Completely disconnect
battery system with any DC
source then make a restart.
If problem remain, then
swap the controller.
5 Status LED solid orange.
Battery module LED blue
solid. Communication lost with inverter Check the communication
cable
PIN and wiring
whether is correctly.