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Compaq UPS R3000 XR Maintenance and Service Guide
Modes of Operation
The UPS has four modes of operation: Standby, Operate, Configure, and Auto-Bypass.
Standby Mode
Place the UPS in Standby mode by pressing the STANDBY button on the front panel. During
Standby mode:
■
No power is available at the UPS output receptacles.
■
The UPS charges the batteries as necessary.
Operate Mode
Place the UPS in Operate mode by pressing the ON button on the front panel. During
Operate mode:
■
Power is available at the UPS output receptacles.
■
The UPS charges the batteries as necessary.
Configure Mode
Place the UPS in Configure mode by removing the front bezel and pressing and holding the
Configure button on the front panel until the Configure mode on LED turns solid green. In the
Configure mode, the front panel LED display changes function. The LED display and control
buttons let you monitor and change the UPS configuration parameters.
In the Configure mode:
■
Press the ON button to advance to the next configuration mode.
■
Press the TEST/ALARM RESET button to accept the select configuration.
■
Press the STANDBY button to turn the LED configuration on or off.
While the UPS is in Configure mode:
■
Power is available at the UPS output receptacles.
■
The UPS charges the batteries as necessary.
■
The configuration of the UPS can be updated.
Auto-Bypass Mode
The UPS automatically switches to Auto-Bypass mode if the following conditions occur:
■
The power (wattage) to the unit reaches a percentage greater than 110 percent for 10
cycles or 103 percent for 30 seconds.
■
The UPS power module fails or is removed.