Lucent Technologies Galaxy Power System 4848/100
14 - 10  Troubleshooting Millennium Systems   Issue 5  June 2000
DIST Alarm LED
Table 14-D: Distribution Alarms
(See Figures 12-9 and 12-10)
Controller 
LED
Controller 
Alarm 
Status
Millennium 
Controller Display
Other 
Indication(s)
Possible 
Problem(s)
Possible Solution(s)
DIST MAJ External Fuse 
Major
Alarm LED 
on dc 
distribution 
panel is lit.
DC load fuse or 
circuit breaker 
has operated.
Replace fuse or reset 
circuit breaker.
DIST*
*Alarm 
must be 
configured
to turn on 
the DIST 
LED; not 
a factory 
default.
MAJ Contactor 2 (or 3) 
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 12-10).
2. If the problem is not 
corrected, call your 
local RTAC 
representative.
DIST*
*Alarm 
must be 
configured
to turn on 
the DIST 
LED; not 
a factory 
default.
MAJ Contactor 2 (or 3) 
Fail
-- Contactor or 
drive board has 
failed.
Call your local RTAC 
representative.