Lucent Technologies Galaxy Power System 4812
14 - 4  Troubleshooting Vector Systems   Issue 5  June 2000
BATT Alarm LED
Table 14-B: Battery Alarms
(See Figure 12-7)
Controller 
LED
Controller 
Alarm 
Status
Vector
Controller Display
Other 
Indication(s)
Possible 
Problem(s)
Possible Solution(s)
BATT MAJ LLO -- 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 MAJ C1O 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 MAJ C1F -- Contactor or 
drive board has 
failed.
Call your local RTAC 
representative.
BATT MAJ bta Alarm on 
210E unit, if 
equipped
Batteries have 
exceeded 
temperature 
threshold.
Call your local RTAC 
representative.