Alpha ESS SMILE5 - 11. Uninstallation and Return

Maintenance and Troubleshooting
101
10.2.2. Battery Protection Description
LED
Indictor
Protection
Code
LED
Display
Description
Troubleshooting
Green
LEDs
flicker
once
every 3S.
1
Temperature
difference
Wait for automated
recovery.
In case the problem is not
recovery for a long time, call
for service.
3
High
temperature
Stop discharging and
charging until this code is
eliminated and wait for the
temperature to drop.
4
Low-
temperature
discharge
Stop discharging until this
code is eliminated and wait
for the temperature to rise.
5
Overcurrent
charge
Wait for automated
recovery.
In case the problem is not
recovery for a long time, call
for service.
6
Overcurrent
discharge
8
Cell
overvoltage
9
Cell under
voltage
Stop charging and call
service immediately.
11
Low-
temperature
charge
Stop charging until this code
is eliminated and wait for
the temperature to rise.
In the case of work mode, if the protection code 9 appears, please press the power
button of the battery 5 times within 10 seconds, the BMS will be forced to turn on the
MOSFET of discharge so that the inverter can detect the battery open voltage and
charge the battery.