34 Eaton Ferrups FX UPS P-164000906 Eaton Ferrups FX User’s Guide P-164000906—Rev 05
Indicator Lights
There are five indicators located on the Remote Control Display and a light bar that indicate the operating mode
of the UPS. The light color will change depending on the mode of the UPS.
Table 13. Indicator Status
Indicator Color Status Explanation
AC Line Blue On The UPS is getting power from the AC input power
source.
Off
• The UPS is not getting input power.
• Input could be outside of the acceptable
limits.
• There is a power outage.
• The AC input breaker is tripped.
• The UPS is unplugged.
Ready Blue On The UPS is ready to provide backup power when
needed.
Off The UPS cannot provide battery backup power
because:
• The UPS is in the Off mode.
• The UPS may be running on battery power
(Inverter Mode).
Flashing The UPS is in Line Condition Mode
Charging Blue On The UPS is charging the batteries.
Off The battery charger is off; batteries are at full
charge.
On Batt Yellow
On
• The UPS is providing power from its batteries;
it is in the Inverter On mode.
Off The UPS is providing conditioned power from the
AC input power source, or the UPS is off.
Alarm Red On The UPS is warning you that an alarm exists
Off No alarm exists.
Light Bar Blue, Yellow, Red On The light bar will change color depending on the
state of the UPS
• Blue : UPS is operating without alarms or
warnings
• Yellow: UPS is operating on battery power.
• Red: The UPS is indicating an alarm
condition.
Front Panel Indicators