Emerson Liebert GXT MT+LB 10KL - Operations; Operation in Warning Status; Operation in Fault Mode; Operation of Changing Battery Numbers

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10. Operation in warning status
1) When Fault LED flashes and the buzzer beeps once every second, it means that there are some
problems for UPS operation. Users can get the fault code from LCD panel. Please check the trouble
shooting table in chapter 4 for details.
2) Some warning alarms can’t be muted unless the error is fixed. Please refer to section 3-3 for the
details.
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:
Battery Number
JP1
JS3
pin1 & pin2 pin3 & pin4 Pin5 & pin6 pin7 & pin8
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.