Operator Control and Display Panel
10.13 Pop-Up Windows
10.13.1From Bypass to Inverter Mode With Power Interruption
If the bypass voltage or frequency exceeds the synchronized range and utility voltage or frequency is normal, the inverter cannot be in synchronization with the bypass, and the output can transfer to inverter only after an interruption of about 15ms when the user presses the INVERTER ON button. Before transferring, the system
will let the user confirm whether the interruption can be accepted, as shown at right. If the bypass voltage returns to normal before the user makes confirmation, the UPS will transfer to inverter mode automatically. At the same time, the prompt window will close.
10.13.2From Inverter to Bypass Mode With Interruption
If the bypass voltage or frequency exceeds the synchronized range and the UPS is in inverter mode, the user must confirm and accept the power interruption danger before pressing the INVERTER OFF button to shut down the output of the inverter. The user can also cancel the shutdown operation, as shown at right. If the bypass voltage returns to normal before the user makes the confirmation, the UPS
will transfer to bypass operation mode automatically, and at the same time the prompt window will close disappear soon.
10.13.3System Self-Test
When a system
• Press the F4 (Enter) key and the
System
Everything is OK
10.13.4Battery Capacity Test Confirmation
When a battery capacity test is started from the Command menu, the battery will be discharged to
•To confirm the choice and begin the battery capacity test, press the F4 (Enter) key and the
•To cancel the test, press the F1 (ESC) key. The
NOTE
Battery will be depleted,
Confirm or cancel
For a battery capacity test to function properly, the load must be between 20% and 100%.
10.13.5Battery Self-Test Aborted, Condition Not Met
When a battery capacity test is started from the Command menu and the battery
• Press the F4 (Enter) key and the
Battery
10.13.6Battery Refresh Charge Aborted, Condition Not Met
When a battery refreshening charge is started from the Command menu and battery refreshening condition fails to meet requirements, the Liebert NX will not perform a battery refreshening charge. User should check if boost charging condition has not met the test criteria, such as (No battery, charger failed, etc.).
• Press the F4 (Enter) key and the
Battery Refresh Charge aborted,
Conditions not met
93