Alpha ESS SMILE-B3-PLUS Installation Manual page 60

Your Smart Energy
Battery absent
EMS communication
error
UPS overload
EPS output short
Inv HW over current
Bus under voltage
Battery Over Total
Voltage
Battery Under Total
Voltage
Inv over current
DC HW over current
Battery Discharge
over current
10.2.2 Battery Protection Description
LED Indictor Protection
Green LEDs
flash once
every 3S.
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Page 60 of 69
long time, please contact AlphaESS after-sales team.
1. Check whether battery cables are connected properly；
2. Check whether the DC Switch is on；
3. Check whether the BMS communication is normal.
Check whether the connection terminal between the EMS
board and the inverter control board is loose。
Please reduce the loads on the Backup port and restart the
inverter, or wait for the warning to be cleared 5 minutes later.
Disconnect the loads on the Backup port and restart the in-
verter. If the problem is not been solved, please contact Al-
phaESS after-sales team.
1. If the warning occurs occasionally, please restart the in-
verter.
2. If this warning occurs frequently or cannot be cleared for a
long time, please contact AlphaESS after-sales team.
1. If this warning occurs occasionally，please restart the in-
verter.
2. If this warning occurs frequently or cannot be cleared for a
long time, please contact AlphaESS after-sales team.
If the warning occurs occasionally, check whether it is
cleared three minutes later;
If the warning occurs frequently, please contact AlphaESS af-
ter-sales team.
1. If this warning occurs occasionally, please restart the in-
verter.
2. If this warning occurs frequently or cannot be cleared for a
long time, please contact AlphaESS after-sales team.
1. If this warning occurs occasionally, please restart the in-
verter;
2. If this warning occurs frequently or cannot be cleared for a
long time, please contact AlphaESS after-sales team.
Please reduce the loads on the Backup port and restart the
inverter, or wait for the warning to be cleared 5 minutes later.
LED
Code Display
1
3
4
Alpha ESS Co., Ltd.
Description
Wait for automated recovery.
Temperature
In case the problem is not
difference recovery for a long time, call for
service.
Stop discharging and charging
High temperature until this code is eliminated and
wait for the temperature to drop.
Stop discharging until this code is
Low-temperature
eliminated and wait for the
discharge
temperature to rise.
Troubleshooting