Battery Protection Description - Alpha ESS SMILE-S5 Manual

Maintenance and Troubleshooting

10.2.2. Battery Protection Description

Protecti-
Display
Mode
on Code
Green
LEDs
flicker
once
every 3S.
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.
Display
Icon
1
3
4
5
6
8
9
11
Description
Wait for automatic recovery.
Temperature
In case the problem persists
difference
for a long time, call for
service.
Stop discharging and
High charging until this state
temperature eliminate and wait for the
temperature to drop.
Low- Stop discharging until this
temperature state eliminate and wait for
discharge the temperature to rise.
Overcurrent
charge
Wait for automated
recovery.
Overcurrent
discharge
solved yet, please call service
center.
Cell
overvoltage
Cell under Stop discharging and call
voltage service immediately.
Low- Stop discharging until this
temperature state eliminate and wait for
charge the temperature to rise.
Troubleshooting
If the problem is not be
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