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3.2Turning the UPS On

After the UPS is connected to a power source, the fan turns on and the UPS enters Standby mode. To turn on the UPS, press and hold the button until you hear the UPS beep (approximately one second). The LCD briefly displays “On Delay” and the “Power On” indicator illuminates. Then the UPS conducts a self-test, briefly displaying “On BATTERY”. If an alarm condition occurs, see Table 10 in Section 9.0 for helpful hints.

When the self-test is complete, the LCD displays “On Line” indicating that power is available from the UPS output receptacles.

Starting the UPS on Battery

NOTE Before using this feature, the UPS must have been powered by utility power at least once and the batteries must be completely charged.

To turn on the UPS without using utility power, press and hold the button until you hear the UPS beep (approximately one second). The UPS supplies power to your equipment and goes into

Battery mode. The LCD briefly displays “On Delay”, then “On Battery” and the and indicators illuminate. When the UPS starts on battery, it does not conduct a self-test to conserve battery power.

3.3Turning the UPS Off

To turn off the UPS, press and hold the seconds).

button until the long beep ceases (approximately five

NOTE When you press and hold the button, the LCD displays Shutdown Pending.

The indicator turns off and the LCD briefly displays UPS OFF before going blank. The fan continues to run and the UPS remains in Standby mode until you unplug or remove utility power from the UPS.

3.4Standby Mode

When the UPS is turned off and connected to a power source, the UPS is in Standby mode. The

fan continues to run and the battery recharges when necessary. The indicator is off and the LCD panel is blank, indicating that power is not available from the UPS.

3.5Diagnostic Tests

The UPS automatically performs a self-test when powered on and when the UPS restarts after a power outage. The self-test monitors the UPS electronics and battery and indicates any problems on the front panel.

A battery test is automatically performed every 30 days (720 hours) of continuous Normal mode operation. The test lasts approximately 15 seconds and any failure is displayed on the front panel. Both the UPS and battery tests can be performed manually (see Section 4.0 "Configuration" for more information).

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Eaton Electrical 9120 Turning the UPS On, Turning the UPS Off, Standby Mode, Diagnostic Tests, Starting the UPS on Battery