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Chapter 1 Hardware Installation
The following table describes the LEDs and buzzer on the power module.
Table 3 Power Module LEDs and Buzzer
LED/BUTTON
AC
DC
!
Buzzer Button
(B)
Buzzer LED
1.7.3 UNS Power Switch LEDs
The LEDs are above the power switch.
1
The following table describes the LEDs on the UNS power switch.
Table 4 UNS Power Switch LEDs
LED
1 - Power
12
COLOR
STATUS
Green
On
The power module is receiving AC power.
Blinking
This power module is not receiving AC power.
Off
Both power modules are not receiving AC power.
Green
On
The power module is receiving DC power.
Off
Both power modules are not receiving DC power.
Amber
On
Blinking
Off
Power supply to the module is abnormal (too much current or not
Red
N/A
If the alarm sounds, push the buzzer button (1) to turn the alarm off.
Red
On
Green
On
The power module(s) connected to the UNS are supplying power
Off
The power module(s) connected are not receiving power.
2
COLOR
STATUS
DESCRIPTION
Green
On
The UNS has booted successfully.
Blinking
The UNS is booting or shutting down.
Off
The power is off.
DESCRIPTION
There is power supply failure.
Power supply to the module is low.
enough voltage) or the temperature is too high.
The buzzer LED (1) will then turn from red to green.
An alarm sounds if one of the power modules is connected but not
supplying power to the UNS.
normally or the buzzer button (1) has been used to turn the alarm off
(if one of the connected power modules is not supplying power to the
UNS.
UNS Series Hardware Installation Guide
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