7. Troubleshooting
After pressing the POWER button to start the system, and the power indicator
will flash yellow light every 0.1s.
After pressing and holding the POWER button for more than 1 sec, the status
light will remain on solid green light, and the power indicator will flash yellow
light from left to right, and then all lights are off.
The status light will flash green light for 1 sec, and then turn off for 4 sec; and
the power indicator does not come on.
Charging The SOC power lights will flash yellow light every 0.5 sec.
The SOC power lights will flash yellow light for 1 sec, and then turn off for 4
sec.
In case of failure, the status light will remain on solid red light for 10 mins, and
then such red light will flash for 1s and then turn off for 4 sec.
In case of alarm, the status light will flash yellow light for 1 sec, and then turn
off for 4 sec.
In case of pressing and hold the POWER button for less than 20 sec, the
status light will flash green light for 1 sec and then turn off for 4 sec, with a
period of 5 sec. After pressing and holding the POWER button for 20 sec, the
status light will come on solid green light, and the SOC power indicators will
flash as follows: 1) the 3rd indicator (from left to right) flashes yellow light, and
the remaining indicators are off; 2) the 2nd and 4th indicators flash yellow
light, and the remaining indicators are off; 3) the 1st and 5th indicators flash
yellow light, and the remaining indicators are off; 4) all the power indicators
are off. The whole process will last for 0.4 sec.
7. Troubleshooting
BMS_Version_Unmatch
BMS_Manufacturer_Unmatch
BMS_SW&HW_Unmatch
Error
Description
Diagnosis & Solution
BMS_Type_Unmatch
BMS type
matching error
Different type of BMS.
■ Restart BMS;
■ Contact the Company's after-sales
personnel.
BMS version
matching error
BMS_ M&S_Unmatch
BMS and
battery module
mismatch error
BMS
manufacturer
matching error
Software and
hardware
mismatch
error of BMS
BMS_CR_Unresponsive
Charging request
not responded
Inverter does not respond the charging
request.
■ Restart BMS or inverter;
■ Contact the Company's after-sales
personnel.
S_Software_Protect
Software
protection of
battery module
Software protection of battery module.
■ Restart BMS;
■ Contact the Company's after-sales
personnel.
BMS_536_Fault
536 fault of BMS
BMS voltage sampling fault.
■ Restart BMS;
■ Contact the Company's after-sales
personnel.
BMS_ Selfchecking_Fault
Self-test fault
of BMS
Self-test fault of BMS.
■ Restart BMS;
■ Contact the Company's after-sales
personnel.
BMS_Tempdiff_Fault
Temperature
different fault
BMS temperature varies greatly.
■ Restart BMS;
■ Contact the Company's after-sales
personnel.
Different type of BMS.
■ Restart BMS;
■ Contact the Company's after-sales
personnel.
Different type of BMS.
■ Restart BMS;
■ Contact the Company's after-sales
personnel.
Different type of BMS.
■ Restart BMS;
■ Contact the Company's after-sales
personnel.
Different type of BMS.
■ Restart BMS;
■ Contact the Company's after-sales
personnel.
50
51
BMS_TemLow
BMS_CellImbalance
BMS_Hardware_Protect
Error
Description
Diagnosis & Solution
BMS_TemHigh
High
temperature of
BMS
The temperature of BMS is too high.
■ Let BMS cool down to normal
temperature and restart;
■ Contact the Company's after-sales
personnel.
Low
temperature of
BMS
The temperature of BMS is too low.
■ Warm up BMS and restart;
■ Contact the Company's after-sales
personnel.
Inconsistency of battery.
■ Restart BMS;
■ Contact the Company's after-sales
personnel.
Hardware protection of BMS.
■ Restart BMS;
■ Contact the Company's after-sales
personnel.
BMS_Circuit_Fault
Circuit fault
Circuit fault of BMS.
■ Restart BMS;
■ Contact the Company's after-sales
personnel.
Cell imbalance
of BMS
Hardware
protection of
BMS
BMS_Insulation_Fault
Insulation fault
Insulation fault of BMS.
■ Restart BMS;
■ Contact the Company's after-sales
personnel.
BMS_VoltSensor_Fault
Voltage sensor
fault
Voltage sampling fault of BMS.
■ Restart BMS;
■ Contact the Company's after-sales
personnel.
BMS_TempSensor_Fault
Temperature
sensor fault
Temperature sampling fault of BMS.
■ Restart BMS;
■ Contact the Company's after-sales
personnel.
BMS_TempSensor_Fault
Current
sensor fault
Current sampling fault of BMS.
■ Restart BMS;
■ Contact the Company's after-sales
personnel.
BMS_Relay_Fault
Relay fault
Relay contact adhesion fault of BMS.
■ Restart BMS;
■ Contact the Company's after-sales
personnel.