GE Industrial Solutions GPS 4848_100 Users Guide (dual rectifier shelf) - Manual (Page 102)

Galaxy Power System 4848/100 with Dual Rectifier Shelf
13 - 4 Troubleshooting Millennium Systems Issue 5 September 2011
BATT Alarm LED
Table 13-B: Battery Alarms
(See Figure 12-5)
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 technical
support.
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 12-5).
2. If the problem is not
corrected, call technical
support.
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 technical support.
BATT MIN Open String Alarm LED
on battery
fuse panel is
lit. Battery fuse has
operated. Replace the operated fuse.
BATT MIN Low Reserve Time -- Controller has
calculated that
batteries are low. Call technical support.