18 GTS Series Uninterruptible Power Manager
Status Monitor
The status monitor is a row of four individual LED’s that each indicate
the status of a part of your UPM system. The rst three LED’s work with
the GTS Series Voltage Manager. All four LED’s are explained in the
following table.
PWR BAT FLT
UNIT STATUS
OFF
ON AC Power
ON AC Power - No Battery Detected
ON AC Power - Battery Charging
ON AC Power - Replace Battery
ON AC Power - Output Overload
ON Battery Power
ON Battery Power - Low Battery
OFF - Due to Output Overload
Unit Requires Service
= Flashing
= Off
= On
Site Wiring Fault Indicator – (North American Versions Only)
A red Site Wiring Fault LED is located on the rear panel of the UPM. This
LED is designed to illuminate if the UPM is connected to an improperly
wired AC receptacle. This indicator is designed to indicate a missing
safety ground wire or a reversal in phase and neutral wiring. This
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