Vertiv Tech EXS 0080kTK16FN01000, User Manual

Page: 48 / 137

Vertiv | Liebert EXS 80kVA UPS | User Manual 34
Operator Control and Display Panel
4.1.1. LED Indicators
The LED indicators consist of the run indicator and alarm indicator. Table 4-1 provides a description of these
indicators.
Table 4-1 Description of LED Indicators
Indicator Color State Meaning
Run
indicator
Green
On UPS output voltage at each phase side is larger than or equal to 60 V
Off UPS output voltage at 3-phase side is smaller than 60 V
Alarm
indicator
Yellow On Alarm active
Red On Fault present
/ Off No alarms, no faults
4.1.2. Audible Alarm (Buzzer)
UPS operation is accompanied with the following two different kinds of audible alarms, as described in Table
4-2 .
Table 4-2 Description of Audible Alarm
Sound Meaning
Continuous beep
This sound is generated in the event of a UPS fault condition, such as a fuse or
hardware failure.
One beep every 3.3 second This sound is generated in the event of a general UPS alarm condition.
4.1.3. LCD And Functional Keys
The operator and display panel include five function keys, the respective functions are described in Table 4-3 .
Table 4-3 Description of Control Buttons
Functional Key Silkprint Description
Confirm Used to confirm or enter
Up Used to scroll up, scroll left or increase value, etc.
Down Used to scroll down, scroll right or reduce value, etc.
Escape Used to go back, exit, cancel or forbid operation
Power Used to switch on, switch off or transfer to Bypass mode