Lucent Technologies Galaxy Power System 4812
13 - 4 Troubleshooting Millennium Systems Issue 5 June 2000
BATT Alarm LED
Table 13-B: Battery Alarms
(See Figure 12-7)
Controller
LED
Controller
Alarm
Status
Millennium
Controller Display
Other
Indication(s)
Possible
Problem(s)
Possible Solution(s)
BATT CRIT Very Low Voltage -- Occurs in an
operating system
following an
extended
commercial ac
power outage,
during which the
batteries are
providing power
for the system
and the system
voltage is
approaching the
user-defined low
limit.
1. If commercial ac power
is present but the system
voltage remains low, call
your local RTAC
representative.
2. Investigate other alarms
that may be present
(rectifier-related alarms
and the AC Fail alarm
may also occur during
the fault condition).
BATT*
*Alarm
must be
configured
to turn on
the BATT
LED; not a
factory
default.
MAJ Contactor 1 Open Red LED on
contactor
drive board is
lit.
Contactor is
open:
•Open has been
initiated by
controller.
•Open has been
initiated
manually.
1. Follow instructions on
the label adjacent to the
contactor drive board
(see Figure 12-7).
2. If the problem is not
corrected, call your local
RTAC representative.
BATT*
*Alarm
must be
configured
to turn on
the BATT
LED; not a
factory
default.
MAJ Contactor 1 Fail -- Contactor or
drive board has
failed.
Call your local RTAC
representative.
BATT MIN Open String Alarm LED
on battery
fuse panel is
lit.
Battery fuse has
operated or bat
string switch has
opened..
Replace the operated fuse.
BATT MIN Low Reserve Time -- Controller has
calculated that
battery reserve
time is below the
alarm threshold
level.
Call your local RTAC
representative.