Compaq R6000 - Manual (Page 51)

3-4 Compaq R6000 Series UPS Operation and Reference Guide
Front Panel LEDs
Figure 3-3. Front Panel LEDs
Ref # Description Symbol
1 Green LED; solid green means Operate
or Bypass mode of operation (when
yellow LED (3) is glowing solid),
flashing green means Standby
Smooth
sine wave
2 Yellow LED; lights solidly when the
UPS is on Battery
Battery
3 Yellow LED; lights solidly in Bypass
mode. Bypass
symbol
4 Red LED is an alarm, warning of
existing or potential problems. Warning
The front panel has 4 LEDs that indicate the status of the Compaq R6000
UPS.