Troubleshooting - SolaX Power BMS Parallel Box-II G2 User Manual

Troubleshooting

6 Troubleshooting
Check the indicators on the front to determine the state of the box.
A warning state is triggered when a condition, such as voltage ortemperature, is
beyond design limitations. Boxperiodically reports its operating state to the inverter.
When the box falls outside the prescribed limits, it entersinto a warning state.
When a warning is reported, the inverter immediately stops its operation.
Use the monitoring software on the inverter to identify what caused the warning.
The possible warning messages are as follows:
Warning Messages Description
1) DIP switch on the
wrong position
BMS_Internal_Err 2) The communication
between battery
modules is interrupted.
BMS_OverVoltage Battery over voltage
BMS_LowerVoltage Battery under voltage
Battery charge over
BMS_ChargeOCP
current protection
Battery discharge over
BMS_DishargeOCP
current protection
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Troubleshooting
1) Move the DIP switch to the 1. Move the DIP switch to the
correct position; correct position
2) Check if the communication 2. Check if the communication
cable between battery cable between thebattery
modules is correctly and well modules is correctly and
connected. properly connected.
Contact your distributor or our
company directly for servicing.
Contact your distributor or our
company directly for servicing.
Contact your distributor or our
company directly for servicing.
Contact your distributor or our
company directly for servicing.
Warning Messages Description
Battery over
BMS_TemHigh
temperature
Battery under
BMS_TemLow
temperature
The capacities of
BMS_CellImblance
cells are different
Battery hardware
BMS_Hardware_Protect
under protection
Battery insulation
BMS_Insulation_Fault
fault
Battery voltage
BMS_VoltSensor_Fault
sensor fault
Battery
temperature
BMS_TempSensor_Fault
sensor fault
Battery current
BMS_CurrSensor_Fault
sensor fault
BMS_Relay_Fault Battery relay fault
The type of BMS
BMS_Type_Unmatch
is unmatched
The version of
BMS_Ver_Unmatch
BMS is unmatched
Troubleshooting
Troubleshooting
Wait until the temperature of the
cells returns to the normal state.
Wait until the temperature of the
cells returns to the normal state.
Contact your distributor or our
company directly for servicing.
Contact your distributor or our
company directly for servicing.
Contact your distributor or our
company directly for servicing.
Contact your distributor or our
company directly for servicing.
Contact your distributor or our
company directly for servicing.
Contact your distributor or our
company directly for servicing.
1) Ensure the power cable is
correctly and properly connected
to the power connector (XPLUG)
of the BMS
2) If the first step still does not
work, contact your distributor or
our company directly.
Contact your distributor or our
company directly for servicing.
Contact your distributor or our
company directly for servicing.
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