WeCo - HeSU UNIVERSAL MODEL 5K3 UNIVERSAL STACKABLE
HeSU 5K3-R20 STACKABLE * HIGH CURRENT V_2.00_2019
Pag. 25
6
Relay damage
No alarm when power-on, no voltage
output in the battery box. Monitoring
software without any alarm and display
relay in “on” state.
Please contact the after-sales service,
replace relay
When this sign is disconnected and green, the
relay is disconnected;
When this sign is connected and red, the relay
is connected;
7
Protection
board
damage
The PC and the battery box’s RS232
connection is reliable, but the
monitoring software cannot read the
battery information and status.
Please contact the after-sales service,
replace protection board.
8
Cell damage
Battery box in the state of no charge
and no discharge, a cell voltage and
most of the other cells voltage
difference greater than 200mV.
Please contact the after-sales service.
The real-time display of the cell voltage on the
monitoring software is as follows:
9
First parallel connection
failure of battery boxes
When the battery boxes are first
paralleled, start the system, slave
battery box fault light flashing. No
sound from the slave battery box relay
action, no voltage output.
Measure the positive and negative
voltage of each battery box, if the voltage
difference between the battery boxes is
greater than 2V, please reduce the
voltage difference to less than 2V to try
parallel connection
10
Master-slave
machine
communication
exceptions
Slave battery box’s fault light flashes,
the master machine cannot control
slave machine
Check that the communication cable
between the master machine and the
slave machine is securely connected
11
Battery box or parallel
battery
box
system
shutdown cannot start
There is no alarm information in the
battery box, but the batteries are not
working properly
Please contact the after-sales service
12
Other exceptions
Humidity, cell expansion, frost-Defrost,
unbalances etc..
Please contact the after-sales service
FAULT RED
