
UPS Operating Modes
LCD Shows Description
SHUTDOWN
The FXM’s inverter is turned off. Line power is disconnected
from the load.
LINE
The FXM is turned on. Line power is provided to the load.
BOOST1 OR
BOOST2
The FXM’s transformer is raising line voltage without using the
batteries. AVR is enabled (See page 40).
BUCK1 OR
BUCK2
The FXM’s transformer is lowering line voltage without using the
batteries. AVR is enabled (See page 40).
INVERTER
The FXM is providing backup battery power to the load. Also
See Figure 7.4, “Control Menu, INVERTER”.
RETRAN
The FXM is transferring from INVERTER mode to Line mode.
TRAN
The FXM is transferring from the state it is now in into Inverter
mode.
STANDBY
The FXM is 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 7.4,
“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.
Figure 7 .2 – UPS Operating Modes
Pressing the CANCEL, SCROLL and SELECT buttons let you to
navigate through the menus and submenus to control, monitor and
troubleshoot the FXM as shown in Figure 7.3 below. For a tutorial on
how to use these menus, see “Control Panel Tutorial” on page 83.
35
Operation
Doc# 017-201-B0 Rev 0408
15 Doc# 017-201-BO Rev 0408