Section III
Operation
006-0007129 10/12/2018
Rev B
27 of 60
UPS-1500 3-Phase 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
(Or the DC INPUT Option is not Installed)
Power-Out Indicators (LEDs in positions A0 and A1)
The LED in position A0 indicates the status of the optional DC OUTPUT and the LED in position A1 indicates
the status of the AC 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”
(Or the DC Output Option is not Installed)
