Maintenance; Trouble Shooting - Pylontech Force-H1 Operation Manual

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
1 No power output, no led
on.
2 After turned on, status
LED slow
orange. Others off.
3 Status LED fast flashing
orange, others off.
4 Buzzer rings continue
5 Status LED solid orange.
Battery module LED blue
solid.
Possible Reason
Press start button too short.
The button battery in controller is
missing or failure.
The power supply in controller is
failure
The battery voltage is too low.
The connector of base is failure
Self-checking failure.
flashing DC side has a voltage, but voltage
difference with the battery system is
higher than 20V.
BMS internal failure.
The time interval after last time
black start is too short.
The battery system under error
condition such as: temperature or
current protection or other error,
thus do not response black start.
Relay adhesion or failure.
Communication lost with inverter
30
/34
Solution
To turn on, at least 5s
To black start, at least 10s.
Change the controller
module.
Make sure at least 3 battery
modules.
The base is not connected or
change the base
Make sure no DC voltage or
set correct DC voltage
before press start button.
Then follow turn on process.
Use debug tool to further
analysis or change
controller module.
Wait more than 5 minutes
and try black start again.
Make sure no other
protection factor. Or use
debug tool to further
analysis.
Completely disconnect
battery system with any DC
source then make a restart.
If problem remain, then
swap the controller.
Check the communication
cable PIN and
whether is correctly.
the
wiring