Battery Protection Description - Alpha ESS SMILE5 Installation, Operation & Maintenance Manual

Maintenance and Troubleshooting

10.2.2. Battery Protection Description

LED Protection
Indictor Code
Green
LEDs
flicker
once
every 3S.
11
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.
LED
Display
1
3
4
5
6
8
9
Description
Wait for automated
recovery.
Temperature
In case the problem is not
difference
recovery for a long time, call
for service.
Stop discharging and
High charging until this code is
temperature eliminated and wait for the
temperature to drop.
Low- Stop discharging until this
temperature code is eliminated and wait
discharge for the temperature to rise.
Overcurrent
charge
Wait for automated
recovery.
Overcurrent
In case the problem is not
discharge
recovery for a long time, call
for service.
Cell
overvoltage
Cell under Stop charging and call
voltage service immediately.
Low- Stop charging until this code
temperature is eliminated and wait for
charge the temperature to rise.
101
Troubleshooting