GE Industrial Solutions GPS 4812_24 - Manual (Page 98)

Galaxy Power System 4812/24
13 - 4 Troubleshooting Millennium Systems Issue 9 Januray 2008
Battery 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)
Battery Critical 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).
Battery*
*Alarm
must be
configured
to turn on
the Battery
LED; not a
factory
default.
Major 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
technical support.
Battery*
*Alarm
must be
configured
to turn on
the Battery
LED; not a
factory
default.
Major Contactor 1 Fail -- Contactor or drive
board has failed. Call technical support.
Battery Minor Open String Alarm LED
on battery
fuse panel is
lit. Battery fuse has
operated or bat string
switch has opened.. Replace the operated
fuse.
Battery Minor Low Reserve Time -- Controller has
calculated that battery
reserve time is below
the alarm threshold
level. Call technical support.