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.
PowerCube-H1/H2 est un système à courant continu à haute tension, opéré uniquement
par le personnel qualifié et autorisé.
Danger: Before check the failure, must check all the cables connection and the BESS system can
turn on normally or not.
Danger : Avant le contrôle de panne, il faut contrôler toutes les connexions des câbles et si le
système BESS peut s'allumer normalement ou non.
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 battery
4
module's status LED is lighting
green but some is lighting red.
5 Cannot close
Possible Reason
The DC/DC power board

or control board is failure.
The communication cable

from
battery module is broken
Power cable is broken;

The control board is failure.

 This battery string is under
protection. It is possible Over
Current Protection or Failure
Protection.
 No external communication
with upper controller;
 Battery String is reversed
connection.
 This battery string is under
protection. It is possible Over
Current, Over Voltage, Low
Voltage, Over Temperature,
Low Temperature or Failure
Protection.
the power DC Output breaker is fault.



BMS to the first


 Through
 Check communication with
 Reversed
 Use
Check the DC output breaker is
34
Solution
Change the control
module (BMS module).
Change the broken
communication cable;
Check all the power
cables and connections
are fine or not;
Change the control
module (BMS module).
the monitor
maintenance software
check the battery cell,
battery module has alarm
or not.
upper controller and
communication cable
wiring;
connection
serious danger!
the monitor
maintenance software to
check the battery cell,
battery module has
protection and failure or
not.
or
is
or