13
11. Operation in Fault mode
1) When Fault LED illuminates and the buzzer beeps continuously, it means that there is a fatal error
in the UPS. Users can get the fault code from display panel. Please check the trouble shooting
table in chapter 4 for details.
2) Please check the loads, wiring, ventilation, utility, battery and so on after the fault occurs. Don’t try
to turn on the UPS again before solving the problems. If the problems can’t be fixed, please
contact the distributor or service people immediately.
3) For emergency case, please cut off the connection from utility, external battery, and output
immediately to avoid more risk or danger.
12. Operation of changing battery numbers
1) This operation is only available for professional or qualified technicians.
2) Turn off the UPS. If the load couldn’t be cut off, you should remove the cover of maintenance
bypass switch on the rear panel and turn the maintenance switch to “BPS” position first.
3) Switch off the input breaker, and switch off the battery breaker (only available for long-run model),
or disconnect battery wire for standard model.
4) Remove the cabinet cover, and then modify the jumpers (JP1, JS3) on the control board to set the
battery numbers as following table:
JP1
Battery Number
pin1 & pin2
pin3 & pin4
Pin5 & pin6
pin7 & pin8
JS3
16 X X 0 0
0
17 X X 1 1
0
18 X X 0 0
1
19 X X 1 0
1
20 X X 1 1
1
Note
：
1 = connect with jumper
0 = no jumper
x = the pins are for other functions.
5) Modify the battery pack for the setting number carefully. After complete it, put the cover back, and
switch on the battery breaker for long-run model.
6) Switch on the input breaker and the UPS will enter Bypass mode. If the UPS is in maintenance
Bypass mode, turn the maintenance switch to “UPS” position and then turn on the UPS.
3-6. LCD display wordings index
Display content
Abbreviation
Meaning
ENA Enable
DIS Disable
ATO Auto
ON On
OFF Off
FBD Not
allowed
OPN Allow
