APC SC450RM1U Datasheet download pdf (Page 8)

3: OPERATION

Front Display Panel

INDICATOR DESCRIPTION

Online

The UPS is supplying utility power to the connected equipment.

On Battery

The UPS is supplying battery power to the connected equipment.

Overload

The connected loads are drawing more than the UPS power rating.

Replace Battery

The battery must be replaced.

FEATURE FUNCTION

Power Button

Press this button to turn the UPS on or off. (Read on for additional capabilities.)

Self-Test Automatic: The UPS performs a self-test automatically when turned on, and

every two weeks thereafter (by default). During the self-test, the UPS briefly

operates the connected equipment on battery.

Manual: Press and hold the button for a few seconds to initiate the self-test.

Cold Start

To supply battery power to the UPS and connected equipment in the absence of

utility voltage (see Troubleshooting), press the front display panel button for

one second and release. The UPS will beep briefly and go quiet. Press and hold

the

button again, but for approximately three seconds. The unit will emit a

sustained beep. Release the button during this beep.

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APC SC450RM1U Datasheet Page 8