Removal and Replacement Procedures 3-3

Front Panel Controls and LED Display

The UPS front panel contains four control buttons and ten LEDs that create the interface for

setup, configuration, load control, and status monitoring.

11
1 2 3
15
14
13
4 5
12
6
7
9
10
8
Figure 3-2. Front panel controls and LED display with front bezel removed

Table 3-2

Front Panel Controls and LED Display

Item Name Function
1General Alarm Indicates a general alarm when red
2On Battery Indicates that the battery is on when red
3Bad Battery/Low
Battery
Indicates that the battery is bad or low when red
4Site Wiring Fault
Indicator
Indicates a wiring fault when red
5Utility LED Indicates that:
The unit is in Auto-Bypass mode when red
The utility voltage is present and output is on when green
The utility input voltage is outside nominal range when flashing red
The utility voltage is present and the UPS is in Standby mode when
flashing green
6Overload LED In dicates that the UPS exceeds maximum power available when red
776% to 100% load Indicates that the UPS is approximately 76% to 100% of the maximum
power available when green
continued