Vertiv LIEBERT GXT5 Series Installer And User Guide

Displayed Fault Cause Corrective Steps
System overtemp
Over temperature condition in the UPS. The UPS will transfer to
bypass mode.
Reduce the load and contact technical support.
Charger fault The charger is faulty. Contact technical support.
Fan fault At least one fan is faulty. Contact technical support.
DC/DC fault A DC-DC charger failure occurred. Contact technical support.
Table 7.2 Description of Displayed Faults (continued)
7.3 Troubleshooting UPS Issues
In the event of an issue with the UPS, refer to Table 7.3 below, to determine the cause and solution. If the fault persists,
contact Vertiv Technical Support. Visit the Vertiv™ Liebert® GXT5 product page at www.vertiv.com for contact information.
When reporting a UPS issue to Vertiv, include the UPS model and serial number. These are located in several places for your
ease of location:
• On the top panel (rack mount orientation)
• The left side (tower orientation)
• The rear panel
• On the front of the unit behind the front plastic bezel
• On the LCD select Main Menu > About
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, fully remove and reinstall the battery, 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.
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.
Batteries may not be
able to hold a full
charge due to age
Replace batteries. Contact your Vertiv representative or Vertiv Technical Support for replacement battery kit.
Table 7.3 Troubleshooting
64 Proprietary and Confidential ©2024 Vertiv Group Corp. 7 Troubleshooting
Vertiv™ Liebert® GXT5 UPS Installer/User Guide

Vertiv LIEBERT GXT5 Series Specifications

General

Model	LIEBERT GXT5 Series
Product Type	UPS
Topology	Double Conversion Online
Display	LCD
Form Factor	Tower, Rackmount
Output Voltage	200/208/220/230/240 VAC
Output Frequency	50/60Hz ±0.1Hz (battery mode)
Typical Backup Time	Varies by model and load
Communication Ports	USB, RS-232
Operating Temperature	0°C to 40°C (32°F to 104°F)
Relative Humidity	0% to 95% (non-condensing)
Dimensions	Varies by model
Weight	Varies by model
Certifications	UL, cUL, CE, RoHS
Battery Type	Valve Regulated Lead Acid (VRLA)