Specifications

017-230-B0 Rev 0810
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Table C — UPS Operating Modes
LCD display Description
SHUTDOWN The Alpha FXM’s inverter is switched off. Line power is disconnected from the load.
LINE
The Alpha FXM is switched on. Line power is provided to the load.
BOOST1 OR BOOST2
The Alpha FXM’s transformer is raising line voltage without using the batteries. AVR is
enabled.
BUCK1 OR BUCK2
The Alpha FXM’s transformer is lowering line voltage without using the batteries. AVR is
enabled.
INVERTER
The Alpha FXM is providing backup battery power to the load. See Figure 11, “Control Menu,
INVERTER”.
RETRAN The Alpha FXM is transferring from INVERTER mode to Line mode.
TRAN The Alpha FXM is transferring from the state it is now in into Inverter mode.
STANDBY
The Alpha FXM is switched on and waiting for the line power to qualify or the user clear some
faults.
CAUTION: Do not touch the AC output terminals, which may be still energized.
BYPASS
This mode is manually set with the Control Menu. See Figure 11, “Control Menu, INV
BYPASS”. This locks the unit into line mode and turns off the battery charger so the unit can
work with a manual break-before-make bypass switch.
Pressing the CANCEL, SCROLL and SELECT buttons let you to navigate through the menus and submenus to
control, monitor and troubleshoot the Alpha FXM as shown in Figure 11.