TL-LFP Series LiFePO
4
Battery Operation Manual
Part 5 – Troubleshooting & Solutions
Table 5.1 –Troubleshooting and Solutions
Protection against under-voltage
Protection against over-temperature or
under-temperature (Ambient temperature is
lower than -20℃ or higher than 60℃)
Regulate ambient temperature in the
range of -20℃ to 60℃ for discharge
Battery output is short circuit
Relieve short circuit and charge battery
Protection against over-current
Remove some unimportant load and
charge battery
Shutdown system and call maintenance
service
Battery is fully charged. Normal charge
management
Do not need to solve, will recovery
automatically
The positive and negative power cable inversely
connected to the terminal of the battery
Check the cable connection
Protection against over-temperature or
under-temperature (Ambient temperature is
lower than 0℃ or higher than 60℃)
Regulate ambient temperature in the
range of 0℃ to 60℃ for charge
Shutdown system and call maintenance
service
The total battery voltage is too low, so the BMS
cannot start.
Contact the supplier to recovery the
battery voltage
The switch damaged, unable to start.
Contact the supplier to replace the
switch
Observe whether the battery can
operate normal or not, contact the
supplier to replace the LED
The battery is disconnected internally
Shutdown system
Call for maintenance service
BMS power supply circuit damaged
Shutdown system
Call for maintenance service
Shutdown system
Call for maintenance service
Fault of communication cable
Inspect communication cable,check the
cable definition
Shutdown system
Call for maintenance service
Plug the wrong communication port
Check the communication port
Alarm light flash
during charging or
Cell temperature abnormal
check the environment temperature, if
only one cell temperature abnormal,
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