Emerson Liebert GXT - Battery Test Operation; Bypass Mode Operation; Fault Status Display; 3-9. Fault Code

23
Battery Test
When UPS is in AC mode or CVCF mode,
press “Test” key for more than 2 seconds.
Then, UPS will beep once and start “Battery
Test”. This operation is used to check the
battery status.
Bypass mode
When input voltage is within acceptable
range and bypass is enabled, turn off the
UPS and it will enter Bypass mode. Alarm
beeps every two minutes.
Fault status
When fault occurs in UPS, it will display fault
icon and fault code in LCD panel.
3-9. Fault Code
Fault event
Fault code
Icon
Fault event
Fault code
Icon
Bus start failure
01
None
Battery SCR short
circuited
21
None
Bus over
02
None
Inverter relay short
circuited
24
None
Bus under
03
None
Battery or Charger short
circuited
2A
None
Bus unbalance
04
None
Parallel communication
failure
35
None
Inverter soft start failure
11
None
Parallel output current
unbalance
36
None
High Inverter voltage
12
None
Over temperature
41
None
Low Inverter voltage
13
None
CPU communication
failure
42
None
Inverter output short
circuited
14
Overload
43
Negative power fault
1A
None