GE Industrial Solutions GPS 4848_100 Users Guide (single rectifier shelf) User Manual
Page 96

Galaxy Power System 4848/100 with 595 Series Rectifiers S1:3 and later
13 - 8 Troubleshooting Millennium Systems
Issue 10 February 2008
CTRL
MAJ
Controller Fail
--
•BSH failure
•BSJ failure
•Option board 
failure
•Display failure
•BIC failure
→
1. Strap K1, K2, K3 on BLJ
from “C” to “R” prior to 
replacing BIC. See 
Figure 8-2.
2. Replace BIC.
CTRL
MAJ
Circuit Pack Fail
--
See “Controller 
Fail”.
See “Controller Fail”.
CTRL
MAJ
Controller Fuse
--
Fuse has operated.
Replace the controller fuse 
labeled F2 (intelligent 
power).
CTRL
MAJ
Alarm Battery 
Supply Fuse
--
Fuse has operated.
Replace the controller fuse 
labeled F5 (alarm battery 
supply).
CTRL
MAJ
Remote Peripheral 
Fuse
--
Fuse has operated.
Replace the controller fuse 
labeled F1 (option power).
CTRL
MAJ
Sense/Control 
Fuse
--
Fuse has operated.
Replace the controller fuse 
labeled F4 (voltage sense).
CTRL
MAJ
Bay Interface ID 
Conflict
--
Two or more bay 
interface cards 
(BICs) have the 
same ID number.
Following instructions 
printed on the label over the 
BIC, adjust the DIP 
switches to change the ID 
number.
CTRL
MAJ
Major 
Communication 
Fail Alarm
Blinking 
ALM LED 
on rectifiers 
or
red LED on 
BIC
Loss of 
communication 
with controller:
•Defective 
interface from 
BIC or multiple 
rectifiers to 
controller
•Internal failure of
controller, BIC, or 
multiple rectifiers
1. Verify that the controller
is powered and operating 
correctly. 
2. If there are no controller
alarms, replace the 
equipment that has lost 
communication.
3. If the problem is not
corrected, call technical 
support.
Table 13-C: Controller Alarms (Continued)
(See Figures 12-2 and 12-3)
Controller
LED
Controller
Alarm
Status
Millennium
Controller Display
Other
Indication(s)
Possible Problem(s)
Possible Solution(s)
