
Section III
Operation
006-0007097 02/14/2019
Rev E
28 of 52
UPS-1250DC Guide www.synqor.com
Power-In Indicators (LEDs in positions D0 and D1)
The LED in position D0 indicates the status of the optional DC INPUT and the LED in position D1 indicates
the status of the AC INPUT, according to the table below:
LED Appearance
Description
Indication
Green
Input is Ready to Provide Load Power
Pulsing Green
Input is the One Presently Selected as the
Source of Power
Amber
Input has Returned within Range and Diagnostic Tests are
Being Performed
Off
Input is Not within Range
Power-Out Indicators (LEDs in positions A0 and A1)
The LED in position A0 indicates the status of the DC OUTPUT, according to the table below:
LED Appearance
Description
Indication
Green
UPS is On and the Output Voltage is
Within Range
Amber
UPS is On but the Output Voltage is
Out of Range
Red
UPS is Off and the Output Voltage is Within Range
Off
UPS is Off