Vertiv | Liebert® GXT5™ | Installer/User Guide iii
3.6. Shutting-down the UPS Completely ...........................................................................................................................................................51
3.7. Remote Emergency Power-o (REPO) .....................................................................................................................................................51
Chapter 4: Operation and Display Panel ................................................................................................................53
4.1. LED Indicators .................................................................................................................................................................................................................. 54
4.2. LCD Menu and Screens ..........................................................................................................................................................................................55
4.2.1.Start-up and Flow Screens ....................................................................................................................................................................55
4.2.2.Main Menu ...........................................................................................................................................................................................................56
4.2.3.Status Screen .................................................................................................................................................................................................... 57
4.2.4.Settings Submenu ....................................................................................................................................................................................... 60
4.2.5.Control Screen ..................................................................................................................................................................................................69
4.2.6.Log Screen ............................................................................................................................................................................................................ 71
4.2.7.About Screen ..................................................................................................................................................................................................... 74
4.3. Editing Display and Operation Settings ..................................................................................................................................................77
4.3.1.Settings Prompts ............................................................................................................................................................................................. 77
4.3.2.Changing the Password .......................................................................................................................................................................... 78
4.3.3.Selecting the Display Language ..................................................................................................................................................... 79
4.3.4.Setting the Date and Time ...................................................................................................................................................................79
Chapter 5: Maintenance ............................................................................................................................................................81
5.1. Replacing Batteries ........................................................................................................................................................................................................81
5.2. Charging Batteries........................................................................................................................................................................................................85
5.3. Checking UPS Operation ......................................................................................................................................................................................86
5.4. Cleaning the UPS ......................................................................................................................................................................................................... 86
5.5. Replacing the Power-distribution Box ..................................................................................................................................................... 86