4.3.1 Changing the Password
The default password is 111111 (six ones). You must use the current password to change the password.
1. At the main menu, select the Settings icon, and press Enter.
2. At the password prompt, use the up-arrow to select the first digit, press the down-arrow to
move to the next digit, repeat for each digit, then press Enter to access the settings.
3. Use the arrow buttons to select the Monitor tab, then press Enter.
4. Use the down arrow to highlight Change Settings Password, press Enter, and re-enter the
current password. The Input new password dialog opens, see below.
5. Enter the new password, then confirm the new password. A confirmation dialog opens to
indicate a successful password change.
6. Press ESC to return to the settings or main menu.
Figure 4.2 New and Confirm Password dialogs
Operating
mode
DESCRIPTION
Normal
mode
When the input voltage is within the acceptable range, the UPS will power the output directly from the mains. In this
mode, when the battery is fullycharged, the fan will turn off for energy saving.
Buck
mode
When the input voltage is higher than the voltage regulation range but lower than high loss point, the buck AVR will be
activated.
Boost
mode
When the input voltage is lower than the voltage regulation range but higher than low loss point, the boost AVR will be
activated..
Battery
mode
When the input voltage is beyond the acceptable range or an input power failure occurs, the UPS will provide backup
power from the battery. An alarm will sound every 10 seconds.
Standby
mode
UPS is powered off and no output supply power, but still can charge batteries.
Fault mode When a fault occurs the output will turn off.
Table 4.4 Operating Mode Description
Fault Cause
DC/DC fault The DC bus voltage exceeds the acceptable range.
DC bus abnormal The inverter is off because the DC bus voltage is abnormal
Inverter fault The inverter is off when the inverter output voltage and current exceed the acceptable range.
Inverter output short
circuit
The inverter has a short circuit.
Table 4.5 Faults
4 Operations
36
Liebert® EDGE Installer/User Guide
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