Alpha Technologies Micro, Micro XL, Micro XL3 UPS - Manual (Page 32)

017-237-B0 Rev A 30
Table C — UPS Operating Modes
LCD display Description
SHUTDOWN The Alpha Micro’s inverter is switched off. Line power is disconnected from the load.
LINE The Alpha Micro is switched on. Line power is provided to the load.
BOOST1 OR BOOST2 The Alpha Micro’s transformer is raising line voltage without using the batteries. AVR is
enabled.
BUCK1 OR BUCK2 The Alpha Micro’s transformer is lowering line voltage without using the batteries. AVR is
enabled.
INVERTER The Alpha Micro is providing backup battery power to the load. See Figure 11, “Control Menu,
INVERTER”.
RETRAN The Alpha Micro is transferring from INVERTER mode to Line mode.
TRAN The Alpha Micro is transferring from the state it is now in into Inverter mode.
STANDBY
The Alpha Micro 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 Micro as shown in Figure 11.