GE Industrial Solutions GPS 4848_100 Users Guide (single rectifier shelf) - Manual (Page 97)

Galaxy Power System 4848/100 with 595 Series Rectifiers S1:3 and later
Issue 10 February 2008 Troubleshooting Millennium Systems 13 - 9
DIST Alarm LED
Table 13-D: Distribution Alarms
(See Figures 12-7 and 12-8)
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 12-8).
2. If the problem is not
corrected, call technical
support.
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 technical support.
CTRL MIN Minor
Communication
Fail Alarm Blinking
ALM LED
on rectifier Loss of
communication
with controller:
•Defective
interface from
rectifier to
controller
•Internal controller
or rectifier failure
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.
CTRL MIN Self Fail Test -- See “Controller
Fail”. See “Controller Fail”.
CTRL MIN Thermal Probe
Failure -- Battery thermal
probe has failed. 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)