Weco 4K4LT - Start-up Procedure and LED Bar Light Functions; Status of the SOC; Errors

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WeCo Srl Italy www.wecobatteries.com 4K4LT V1.00 24/01/2023
START-UP PROCEDURE AND LED BAR LIGHT FUNCTIONS
During startup: LED1 to LED5: GREEN for 5 seconds
After starting: LED1 up to LED5 will change color and become BLUE, at which time the battery SOC will be displayed.
At startup, the LED bar will light up green and then BLUE for about 5 seconds, in sequence.
During the upgrade process, only the extreme LED shown in the figure will be illuminated throughout the upgrade process, when the battery
SOC will be displayed again.
During the normal state, the LED bar always displays the SOC value.
During a failure or error, the LED bar displays the SOC value for 5 seconds, then displays the battery failure status for 5 seconds, alternately.
In the event of a permanent error, the LED bar will turn solid red.
SOC 90-100%
SOC 55-89%
SOC 32-54%
SOC 6-31%
SOC 5% * (Yellow when SOC is less than 4.9%)
STATUS OF THE SOC
ERRORS
Open
circuit for
low
voltage
Open
circuit for
high
voltage
Open circuit
for low
temperature
Open circuit
for high
temperature
Open
circuit for
high
amperage
Loss of
communication
between Slave
and Master
BMS
in
breakd
own
LED1 RED
LED5 RED
LED2 RED
LED4 RED
LED3 RED
Of LED1 to
LED2 RED
Of LED1 to
LED5 RED
Upgrading
FW Upgrade