Emerson 230V, 000-VA UPS Symptoms, Troubleshooting, Indicators, Indicator Diagnosis/Audible alarm

Troubleshooting

11.0TROUBLESHOOTING

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.

11.1UPS 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.

11.1.1Indicators

In addition to the fault indicator being illuminated, one or more of LED segments of battery level indicator will also be illuminated to provide a diagnostic aid to the user, as shown in Figure 20. The descriptions are listed in Table 4.

Figure 20 Battery level indicator

		A	B	C	D	E
Table 4	Indicator descriptions
Indicator		Diagnosis/Audible alarm
A - E		On bypass from output overload (half-second beep every half second)
A		On bypass due to overtemperature condition (1-second beep every 4 seconds)
B		On bypass due to DC bus overvoltage (1-second beep every 4 seconds)
C		On bypass due to DC/DC power supply failure (1-second beep every 4 seconds)
D		PFC failure (1-second beep every 4 seconds).
E		On bypass due to inverter failure (1-second beep every 4 seconds)
A&C		UPS failed battery test (2-second beep every 60 seconds)
C&E		UPS shutdown by command from communication (USB port or Liebert IntelliSlot® port) (no
		audible)
A&B		UPS Failure (includes dual-fan failure, single-fan failure under certain conditions and battery
		charger failure) and continuous alarm
Battery Indicator		Internal Battery source not available (continuous horn); check battery connection, power down
Flashing		and reboot UPS.
Bypass Indicator		Mains power voltage or frequency is out of tolerance; bypass is unavailable
Flashing
A - E indicators are shown in Figure 20

Liebert® GXT3™ 32