The Configuration mode LEDs and options are described in Table 2. Use the
following LED legend for an explanation of the LEDs.
Red
Flashing
Not lit
Green
LED legend
Table 2. Configuration mode LEDs and options
Configuration
mode LEDs Option LED status Explanation
100/200-208V
nominal input
voltage
On Selecting this option changes the
nominal input voltage on low voltage
models to 100V and to 200-208V for
high voltage models.
Flashing 100/200-208V is disabled; one of the
other input voltage options is
selected.
110/220V
nominal input
voltage
On Selecting this option changes the
nominal input voltage on low voltage
models to 110V and to 220V for high
voltage models.
Flashing 110/220V is disabled; one of the
other input voltage options is
selected.
120/230V
nominal input
voltage
On Selecting this option changes the
nominal input voltage on low voltage
models to 120V and to 230V for
high voltage models.
Flashing 120/230V is disabled; one of the
other input voltage options is
selected.
127/240V
nominal input
voltage
On Selecting this option changes the
nominal input voltage on low voltage
models to 127V and to 240V for
high voltage models. The default is
On.
Flashing 127/240V is disabled; one of the
other input voltage options is
selected.
Site wiring fault
alarm
On Alarm sounds when the polarity of
the outlet is reversed or the ground
connection is missing; have a
qualified electrician repair the outlet
wiring.
Flashing Alarm does not sound when the
polarity of the outlet is reversed or
the ground connection is missing.
*Site wiring fault is not available for
100, 200, or 208V models.
Chapter 3. Uninterruptible power supply controls, LEDs, operating modes, and power 21
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