Tripp Lite SMART550USB owner manual Basic Operation continued, Indicator Lights

Basic Operation continued

MUTE/TEST Button:

Silence the UPS On-Battery Alarm: Press and hold this button to silence the UPS on-battery alarm, a series of short beeps followed by a brief pause that is activated when the UPS is providing AC power from battery. Note: When the battery is nearly depleted, the low battery alarm—a continuous beep that cannot be silenced—will warn to shut down connected equipment immediately.

Run a Self-Test: To run a self-test, leave connected equipment on.

With the UPS plugged in and ON, press and hold the button until the

UPS beeps (about 2 seconds) then release it.

Self-Test Results: All LEDs will be lit and the UPS will emit several short beeps as it momentarily switches to battery to test charge and load capacity. The test will last up to 10 seconds. If the inverter is overloaded, the “ ” LED will stay lit and the UPS will continue to beep after the test; if this happens, remove some of the load from the “UPS/Surge” outlets and run the self-test again. If the batteries are weak, the “ ” LED will stay lit and the UPS will continue to beep after the test. If this happens, let the UPS charge its batteries for 12 hours and repeat the test. If the condition persists, contact Tripp Lite for service. CAUTION: Do not unplug the UPS to test its batteries. This will remove safe electrical grounding and may introduce a damaging surge into network connections.

Indicator Lights

All Indicator Light descriptions apply when the UPS is plugged into an AC outlet and turned on.

LINE POWER: This green light will illuminate whenever the UPS is ON and receiving normal AC line power.

BATTERY POWER: This yellow light will illuminate when the UPS is providing equipment with battery power.

REPLACE BATTERY: This red light will illuminate continuously after the UPS runs a self-test to indicate that the battery is weak. If it remains lit after allowing the UPS to charge for twelve hours and running a second self-test, contact Tripp Lite for service.

OVERLOAD: This red light will illuminate continuously to indicate that the UPS is overloaded when the UPS is providing power from battery or after the UPS runs a self-test. If it lights up, immediately remove some of the equipment connected to the “UPS/Surge” outlets and run a self-test. Large overloads may cause the UPS to shut down.

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