Troubleshooting; Battery And Bms Troubleshooting; Error Type; Ems Troubleshooting - Alpha ESS Storion-T30 Installation, Operation & Maintenance Manual

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7. Troubleshooting

Battery and BMS troubleshooting

Error Type

Alarm
Cell temperature difference fault
Balancer fault
Module charge over current fault
Module discharge over current
fault
Pole over temperature fault
Cell over volt fault
cell volt difference fault
cell discharge under temperature
fault
Cell under volt fault
Insulation resistan fault
LMU Communication fault
Cell over temperature fault
Cell charge under temperature
fault
Wire beam fault
Relay fault
Temperature sensor fault

EMS Troubleshooting

Inverter Troubleshooting

Fault code Alarm
0
Power overvoltage
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Troubleshooting
Displayed in
Processing method
EMS
Cell-Temp-Diff Contact with Alpha service
Balancer Err Contact with Alpha service
Chrg-Ov-Curr Contact with Alpha service
Disch-Ov-Curr Contact with Alpha service
Pole-Ov-Temp Contact with Alpha service
Cell-Ov-Volt Contact with Alpha service
Cell-Volt-Diff Contact with Alpha service
Disch-Low-Temp Contact with Alpha service
Cell-Low-Volt Contact with Alpha service
IR_Fail Contact with Alpha service
Check communication connection
between batteries (LMU and LMU),
Commu_fail_LMU
battery and HV900112 (LMU and
BMU)
Cell-Ov-Temp Contact with Alpha service
Chrg-Low-Temp Contact with Alpha service
Wire-Harness-Err Contact with Alpha service
relay Err Contact with Alpha service
Temp-Sen-Err Contact with Alpha service
Processing method
This fault is caused by the instantaneous condition
of the power network. The inverter will come to
normal in a short time.
If the fault still exists, please contact Alpha service
Alpha ESS Co., Ltd.