Lowell Model UPS9C-1000 Manual
Pg. 7
OPERATIONS
Button Operation
LED Indicators
Symptom
Function
ON/OFF
•
Turn on the UPS:
Press and hold button for at least 2 seconds to turn on the UPS .
•
Turn off the UPS:
Press and hold this button for at least 2 seconds to turn off the UPS . UPS will be
in standby mode when utility power is normal or transfer to bypass mode if bypass mode is enabled via
software .
UPS Status
LED
Color
On / Flashing
Line Mode
LED 1
Green
On
LED 4 to LED 7 indicate load level during line mode:
LED 4:
> 75% load level
LED 5:
50% ~ 75% load level
LED 6:
25% ~ 50% load level
LED 7:
0% ~ 25% load level
Green
On
Battery Mode
LED 2
Yellow
Flashing
LED 4 to LED 7 indicate battery capacity during battery mode:
LED 4:
battery voltage > 26V
LED 5:
battery voltage > 24 .5V
LED 6:
battery voltage > 23V
LED 7:
battery voltage > 21V
Green
On
Low battery
LED 7
Green
On
LED 3
Red
On
Battery replacement
LED 3
Red
Flashing
Fault
LED 3
Red
On
On/off status of output recep-
tacles
LED 8:
indicating on/off status of general output receptacles (2)
LED 9:
indicating on/off status of programmable outlet (3)
Green
On
LED Indicators
On/Off Button