7 Troubleshooting
This section contains various UPS symptoms that you may encounter if UPS develops a problem. Use the information
mentioned in this section to determine the causes and the solutions to those problems.
7.1 Symptoms that Require Troubleshooting
The following symptoms indicate the UPS is malfunctioning:
•
The alarm indicators illuminate, indicating the UPS has detected a problem.
•
An alarm buzzer sounds, alerting the user that the UPS requires attention.
7.2 Audible Alarm (Buzzer)
An audible alarm accompanies various events during UPS operations. Table 8.1 below, describes the sounds and their
meaning. To mute an alarm, see
Sound
Indicates
Continuous beep
Generated when a UPS fault appears, such as a fuse or hardware failure.
One beep every 0.5 seconds
Generated when a UPS critical alarm appears, such as on inverter overload.
One beep every 1 second
Generated when a UPS critical alarm appears, such as on battery low voltage.
One beep every 3.3 seconds
Generated when a UPS general alarm appears.
Table 8.1 Audible Alarm Descriptions
NOTE: When an alarm is indicated, an alarm message is logged.
, describes the alarm messages
you may see. When a fault is indicated, front-panel display list the fault, which are described in
7.2.1 Faults
When the fault indicator is illuminated, the LCD displays the fault. The faults are described in Table 8.2 on the next page.
7 Troubleshooting
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Vertiv™ Liebert® GXT5 Lithium-Ion UPS Installer/User Guide
