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2 - 24 ONline 17-Slot System Concentrator Installation and Operation Guide
Backup
Power
(cont.)
Steady
blinking
(cont.)
The backup
power supply
has failed.
See Primary Power LED
suggestions for same
State and Possible
Problem (above).
The backup
power supply
is not properly
installed.
Reinstall the backup
power supply and turn it
on.
Two blinks,
then a pause
(in unison
with Primary
Power LED)
The power
load-sharing
hardware is in
an error state.
See Primary Power LED
suggestions for same
State and Possible
Problem (above).
Temp Blinking The
temperature in
the
concentrator is
too high.
Verify that the fan units
are working and nothing
is blocking airflow from
the front and bottom of
the concentrator.
Verify at least 1 3/4"of
space below the
concentrator for proper
air flow.
Lower the temperature in
the room.
Active Off The module is
in standby
mode.
Verify that the Standby
LED is illuminated.
Table 2-4. Troubleshooting with Controller Module LEDs
(Continued)
LED State
Possible
Problem
Troubleshooting
Suggestions