Troubleshooting; Ups Symptoms; 11.1.1 Indicators; Figure 26 Battery Level Indicator - Emerson Liebert GXT3 208V 5000-10000V User Manual

11.0 T
ROUBLESHOOTING
This section indicates various UPS symptoms a user may encounter and provides a troubleshooting
guide in the event the UPS develops a problem. Use the following information to determine whether
external factors caused the problem and how to remedy the situation.
11.1

UPS Symptoms

The following symptoms indicate the Liebert GXT3 is malfunctioning:
• The relative indicators illuminate, indicating the UPS has detected a problem.
• An alarm buzzer sounds, alerting the user that the UPS requires attention.

11.1.1 Indicators

In addition to the fault indicator being illuminated, one or more of LED segments of battery level indi-
cator will also be illuminated to provide a diagnostic aid to the user, as shown in Figure 26. The
descriptions are listed in Table 4.

Figure 26 Battery level indicator

Table 4

Indicator descriptions

Indicator
A - E
A
B
C
D
E
A&B
A&C
A&D
A&E
B&C
B&E
C&E
Utility LED flash
Battery Indicator
Flashing
Bypass Indicator
Flashing
A - E indicators are shown in Figure 26
A
Diagnosis/Audible alarm
On bypass from output overload (half-second beep every half-second)
On bypass due to overtemperature condition (1-second beep every 4 seconds)
On bypass due to DC bus overvoltage (1-second beep every 4 seconds)
On bypass due to DC/DC power supply failure (1-second beep every 4 seconds)
PFC failure (1-second beep every 4 seconds)
On bypass due to inverter failure (1-second beep every 4 seconds)
UPS Failure (includes dual-fan failure, single-fan failure under certain conditions and battery
charger failure) and continuous alarm
UPS failed battery test (2-second beep every 60 seconds)
Maintance bypass switch on (continuous)
Bypass feedback (1-second beep every 4 seconds)
REPO (one quarter-second beep at quarter-second intervals)
Short circuit on the output
UPS shutdown by command from communication (USB port or Liebert IntelliSlot port) (no
audible)
L-N reverse
Internal battery source not available (continuous horn); check battery connection, power down
and reboot UPS
Utility power voltage or frequency is out of tolerance; bypass is unavailable
B C D
35

Troubleshooting

E