Compaq 3000 Series manual Front Panel Indicators, Front Panel LEDs Standby and Operate Modes

Operation 3-5

Front Panel Indicators

The front panel LED display colors indicate the UPS status:

■Green LEDs indicate normal conditions

■Red LEDs provide warning of existing or potential problems

LEDs are referred to as LED 1 through 16, as described in this documentation.

When the UPS is in Configure mode, the LEDs do not operate as they do in the Standby and Operate modes (see Chapter 4, “Configuration”).

Front Panel LEDs in the

Standby and Operate Modes

Each LED (and the condition it indicates in the Operate and Standby modes) is described in the following tables:

AC Input (LEDs 1-4)

		Table 3-1
		AC Input LEDs
LED	Color	Meaning
1	Red	The utility voltage is higher than the voltage range for which the
		UPS has been configured. The UPS is supplying battery power.
		The audio alarm will sound.
	Flashing Red	Utility voltage has returned to the voltage range for which the UPS
		has been configured. The UPS is supplying utility power. The
		audio alarm should be reset.
2	Green	Utility voltage is within the voltage range for which the UPS has
		been configured.
3	Green	Utility voltage is lower than the current UPS configuration expects.
		The UPS is compensating and providing power to the loads
		without the use of batteries.
4	Red	The utility voltage is lower than the voltage range for which the
		UPS has been configured. The UPS is supplying battery power.
		The audio alarm will sound.
	Flashing Red	Utility voltage has returned to the voltage range for which the UPS
		has been configured. The UPS is supplying utility power. The
		audio alarm should be reset.