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Introduction 1-5
Front Panel LEDs
The front panel has four LEDs to indicate the UPS operating mode.
Figure 1-3. The front panel
LED LED Color LED Meaning
1
Green
Solid green means normal operation.
Flashing green means Standby.
2
Yellow
Solid yellow means the UPS is on Battery;
flashing yellow means UPS is on Battery and
Standby
3
Yellow
Solid yellow means the UPS is on Bypass.
4
Red
Solid red means current or impending problems.