GE Industrial Solutions GPS 4812_24 - Manual (Page 119)

Galaxy Power System 4812/24
Issue 9 Januray 2008 Troubleshooting Vector Systems 14 - 7
Distribution
Alarms
Table 14-D: Distribution Alarms
(See Figures 12-9 and 12-10)
Controller
Alarm
Status
Vector
Controller Display
Other
Indication(s)
Possible
Problem(s)
Possible Solution(s)
Major CONTACTOR2
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
technical support.
Major CONTACTOR2
FAIL
-- Contactor or
drive board has
failed. Call technical support.
Major DISTRIBUTION
FUSE
Alarm LED
on dc
distribution
panel is lit. DC load fuse or
circuit breaker
has operated. Replace fuse or reset circuit breaker.
Major DISTRIBUTION
FUSE
-- Fuse has
operated. Replace fuse F2 (alarm battery supply)
on the BLJ3 terminal board.