Maintenance; Trouble Shooting - Pylontech PowerCube-H1 Operation Manual

5.

Maintenance

5.1 Trouble Shooting:

Danger: The PowerCube-H1/H2 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 setting of ADD
Switches are right or not (refer to chapter 3), and the BESS system can turn on normally or
not.
No
1 Turn on the BMS. All battery
modules' status LED is not
working.
2 Turn on the BMS. The Status
LED for BMS is not working.
But all battery modules'
status LED is lighting green.
3 Turn on the BMS. The Status
LED is lighting red. But all
battery modules' status LED
is lighting green.
The BMS's Status LED is
lighting red and some the
4 battery
LED is lighting green but
some is lighting red.
18PIHV0802
Problem
module's status
Possible Reason
The DC/DC power
board or control board
is failure.
The communication
cable from BMS to the
first battery module is
broken
Power cable is broken;
The control board is
failure.
This battery string
under protection. It is
possible Over Current
Protection or Failure
Protection.
Communication cables
failure;
Battery String is reversed
connection.
This battery string
under protection. It is
possible Over Current,
Over Voltage, Low
Voltage, Over
Temperature, Low
18 / 27
Solution
Change the
module (BMS module)..
Change the
communication cable;
Check all the power
cables
connections are fine or
not;
Change the
module (BMS module).
Through the monitor or
maintenance
is
check the battery cell,
battery module
alarm or not.
Check
Communication Cables;
Reversed connection is
serious danger!
is Use the monitor
maintenance software
to check the battery
cell, battery module has
protection and failure or
not.
control
broken
and
control
software
has
the
or