Alpha ESS STORION-T50 Operation & Maintenance Manual page 22

TROUBLESHOOTING
10 Troubleshooting
Fault LCD Fault
Category Display
Cell temperature
Cell-Temp-Diff
different fault
Module charge
Chrg-Ov-Curr
over current fault
Module discharge
Disch-Ov-Curr
over current fault
BMS
Pole over
Pole-Ov-Temp
temperature fault
Cell-Ov-Volt Cell over volt fault
Cell volt different
Cell-Volt-Diff
fault
Fault Name Troubleshooting
Shut down the system for about
2 hours, then restart the system
to check if the fault is eliminated.
If the problem is not resolved,
please contact AlphaESS
customer service.
Restart the system to check if the
fault is eliminated.
If the problem is not resolved,
stop any operation on the system
and contact AlphaESS customer
service.
Restart the system, turn off some
of the loads to check if the fault
is eliminated.
If the problem is not resolved,
stop any operation on the system
and contact AlphaESS customer
service.
Shut down the system for about
2 hours, then restart the system
to see if the fault is eliminated.
If the problem is not resolved,
please contact AlphaESS
customer service.
Restart the system, switch the
system to the discharging state, If
the error is not eliminated, stop
any operation on the system and
contact AlphaESS customer
service.
Restart the system to see if the
fault is eliminated.
If the problem is not resolved,
please contact AlphaESS
customer service.
38 39
Fault
Category
Disch-Low-Temp
Cell-Low-Volt
IR_Fail
BMS
Commu_fail_LMU
Cell-Ov-Temp
Commu_fail_BMU
LCD Fault
Fault Name
Display
Cell discharge
under
temperature fault
Cell under volt
fault
Insulation
resistance fault
Check if the communication cable
connector between the
LMU
HV-control box and the battery is
Communication not plugged in.
fault
If the problem is not resolved,
please contact AlphaESS customer
service.
Stop charging and discharging and
then run the system after the fault
Cell over
is eliminated.
temperature fault
If the problem is not resolved,
please contact AlphaESS customer
service.
Check if the communication cable
connector between the
BMU
HV-control box and the TOP
Communication
BMU is not plugged in.
fault
If the problem is not resolved,
please contact AlphaESS
customer service.
TROUBLESHOOTING
Troubleshooting
Confirm that the ambient
temperature is higher than -10℃..
If it is lower than it, please turn
on the heating equipment such as
heater. If the ambient
temperature is higher than -10℃.,
restart the system.
If the problem is not resolved,
please contact AlphaESS
customer service
Restart the system to see if the
fault is eliminated
If the problem is not solved,
please contact AlphaESS customer
service
Switch off the battery MCCB and
measure the impedance of the
positive and negative poles of the
battery to the ground to see if it is
greater than 270KΩ and restart
the system.
If the problem is not solved. stop
any operation on the system and
contact AlphaESS customer
service.