Operation

AC Input LEDs

The AC Input LEDs show information about the utility power coming into the UPS (see Figure 11).

Normal Utility Input (Buck and Single Boost)

Double Boost is on

Figure 11. AC Input LEDs (Normal Mode)

The second LED indicates that the UPS is operating normally from utility power. The UPS is providing consistent voltage with the Buck and Single Boost feature.

The third LED indicates that the UPS is using the Double Boost feature to automatically correct voltage fluctuations.

If any AC Input LEDs are red, see page 34 for more information.

Battery Charge LEDs

Powerware® 5119 User’s Guide : www.powerware.com

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