Maintenance; Trouble Shooting - Pylontech PowerCube-X1 Operation Manual

4

Maintenance

5.1 Trouble Shooting:

Danger: The PowerCube-X1/X2 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.
No Problem
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 module's
LED is lighting green but
some is lighting red.
Possible Reason
The DC/DC
l
board or control board
is failure.
The communication
l
cable from BMS to the
first battery module is
broken
Power cable is broken;
l
The control board is
l
failure.
l This battery
under protection. It is
possible Over Current
Protection
Protection.
l No
communication
upper controller;
l Battery String is reversed
connection.
l This battery
under protection. It is
possible Over Current,
Over Voltage,
status Voltage,
Temperature,
Temperature or Failure
Protection.
29 / 38
power Change
l
module (BMS module).
Change
l
communication cable;
Check all the power
l
cables and connections
are fine or not;
Change
l
module (BMS module).
string is l Through the monitor or
maintenance
check the battery cell,
or Failure battery
alarm or not.
external l Check
with with upper controller and
communication
wiring;
l Reversed connection is
serious danger!
string is
l Use
maintenance software
Low
to check the battery
Over
cell, battery module has
Low
protection and failure or
not.
Solution
the control
the broken
the control
software
module has
communication
cable
the monitor or
EU20PIXV0501