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5.5 Battery Charge Bar Graph
The 5-LED display on the right of the front panel shows the present charge of the UPS’s battery as
a percentage of the battery’s capacity. When all five LEDs light, the battery is fully charged. When
the lowest LED is flashing, the battery can supply less than two minutes of run time for the load.
5.6 Utility Voltage Bar Graph
This UPS has a diagnostic feature that displays the utility voltage. With the UPS plugged into the
normal utility power, press and hold the on/test button to see the utility voltage bar graph display.
After four seconds the 5-LED display on the right of the front panel shows the utility input volt-
age. Refer to the list for the voltage reading.
The display indicates that the voltage is between the displayed value from the list and the next
higher value. For example, with three LEDs lit, the input voltage is between 230 and 247 VAC.
If no LEDs come on and the UPS is plugged into a working AC power outlet, the line voltage is ex-
tremely low.
If all five LEDs come on, the line voltage is extremely high and should be checked by an electri-
cian.
Note: The UPS will start a self-test as part of this procedure. The self-test does not affect the volt-
age display.
5.7 SmartBoost and SmartTrim
The UPS automatically corrects high and low utility voltages so that the loads receive voltage
within the normal range.
The UPS’s SmartTrim LED comes on to indicate that the UPS is compensating for a high voltage
level.