Vertiv | Liebert® GXT5™ | Installer/User Guide 101
Chapter 6: Troubleshooting
This section indicates various UPS symptoms you 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.
6.1. 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.
6.2. Audible Alarm (Buzzer)
An audible alarm accompanies various events during UPS operations. Table 6-1 below, describes the sounds
and their meaning. To silence an alarm, see Silencing the Audible Alarm on page 47.
Table 6-1 Audible-alarm Descriptions
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.
• NOTE: When an alarm is indicated, an alarm message is logged. Table 4-4 on page 71, describes
the alarm messages you may see. When a fault is indicated, front-panel display list the fault, which are
described in Table 6-2 below.
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