APL48-50LFP liFePO
4
Battery Operation Manual
15
Part 5
–
Troubleshooting & Solutions
Table 5.1
–
Troubleshooting and Solutions
Troubles
Troubleshoot
ing
Solutions
Battery
cannot
discharge
Protection against under-voltage
Charge battery
Protection against over-temperature or
under-temperature (Ambient temperature is
lower than -25
℃
or higher than 75
℃
)
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
System failure
Shutdown system and call maintenance
service
Battery
cannot
charge
Battery is fully charged. Normal charge
management
Do not need to solve
Protection against over-voltage
Do not need to solve
Protection against over-temperature or
under-temperature (Ambient temperature is
lower than -10
℃
or higher than 65
℃
)
Regulate ambient temperature in the
range of 0
℃
to 55
℃
for charge
System failure
Shutdown system and call maintenance
service
All LED
indicators on
System failure
Shutdown system
Call for maintenance service
Communication
failure
Fault of communication cable
Inspect communication cable
Halt of SCM
Press RESET button
System failure
Shutdown system
Call for maintenance service
Different flash status of LED indicators represents corresponding running status or alarms.
Detailed information is shown Annex 1.
Annex 1
–
Instructions for LED Flicker
Annex Table 1.1
–
SOC LED Indicators Description
●
●
●
●
SOC
☼
☼
☼
☼
75%~100%
☼
☼
☼
○
50%~75%
☼
☼
○
○
25%~50%
☼
○
○
○
0%~25%
Note:
☼
mean light on,
○
mean light off
