Vertiv Liebert GXT4 Series User Manual

8.1.2 Audible Alarm
An audible alarm will sound in conjunction with the visual indicators to indicate a change in UPS
operating status. The audible alarm will sound as described in the following table.
CONDITION ALARM
Battery discharge Half-second beep every 10seconds
Low battery Two half-second beeps every 5seconds
UPS fault, load on bypass 1-second beep every 4seconds
UPS fault, no power to load Continuous
Overload Half-second beep every halfsecond
Battery replacement 2-second beep every 2minutes
Battery loss Continuous
Wiring problem (loss of proper grounding for UPS) Continuous
Bypass reminder 1-second beep every 60seconds
Table 8.2 Audible alarm description
8.2 Troubleshooting UPS Issues
In the event of an issue with the UPS, refer to the following table to determine the cause and solution. If
the fault persists, contact Vertiv Technical Support. See Technical Support on page63
PROBLEM CAUSE SOLUTION
UPS fails to
start
UPS is short-circuited or
overloaded
Ensure UPS is Off. Disconnect all loads and ensure nothing is lodged in output
receptacles. Ensure loads are not defective or shorted internally.
Batteries are not charged
enough or not connected
Check to ensure the internal battery is connected. If it is not, make the connection and
try to start the unit. If the battery is connected, leave the UPS connected to input power
for 24hours to recharge batteries, then try to start the unit.
Battery
indicator is
illuminated
UPS is not plugged in
UPS is operating from battery mode. Ensure UPS is securely plugged into the wall
receptacle.
UPS input protection fuse
has blown/opened
UPS is operating from battery mode. Save data and close applications. Replace UPS input
fuse, then restart UPS.
Mains power is out of
tolerance
UPS is operating from battery mode. Save data and close applications. Ensure mains
supply voltage is within acceptable limits for UPS.
UPS has
reduced
battery
backup
time
Batteries are not fully
charged
Keep UPS plugged in continuously at least 24 hours to recharge batteries.
UPS is overloaded Check load level indicator and reduce the load on the UPS.
Table 8.3 Troubleshooting table
Vertiv | Liebert® GXT4™ Installer/User Guide
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Vertiv Liebert GXT4 Series Specifications

General

Brand	Vertiv
Model	Liebert GXT4 Series
Category	UPS
Language	English