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30
3.1
LED Indicators
The LED indicators are composed of the run indicator and alarm indicator.
indicators’ appearance and meaning.
3.1.1
Audible Alarm (Buzzer)
The UPS operation is accompanied with the following two different kinds of audible alarms shown
in
3.1.2
LCD And Function Keys
The operation and display panel provides five function keys; described in
.
Table 6
LED indicators description
Indicator
Color
State
Meaning
Run indicator
Gree
n
On
UPS has output
Blinkin
g
Inverter is starting
Off
UPS has no output
Alarm
indicator
Yello
w
On
Alarm occurs
Red
On
Fault occurs
N/A
Off
No alarm, no fault
Table 7
Audible alarm description
Sound
Meaning
Continuous beep
Generated when a UPS fault appears, such as a fuse or hardware failure
One beep every 0.5
second
Generated when a UPS critical alarm appears, such as inverter overload
One beep every second
Generated when a UPS critical alarm appears, such as battery low voltage
One beep every 3.3
second
Generated when a UPS general alarm appears
Table 8
Control button description
Function
Key
Description
Confirm
Used to Confirm or Enter
Up
Move to Previous Page, increase value, Move left
in tower configuration.
Down
Move to Next Page, reduce value, move right in
tower configuration.
Escape
Go Back or Escape
Power
Used to Power On, Power Off or transfer to
Bypass mode
En
ter
E
SC
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