GE Industrial Solutions GPS 4812_24 - Manual (Page 108)

Galaxy Power System 4812/24
13 - 14 Troubleshooting Millennium Systems Issue 9 Januray 2008
Rectifier Minor Rectifier Fail ALM LO Low output
voltage:
•Excessive
output
current
•Internal
rectifier
failure
1. Toggle the ON/
STBY switch into
the STBY position
and then back into
the ON position.
2. If the problem is
not corrected,
replace the rectifier.
Rectifier Minor Rectifier Fail ALM INF Input fuse
blown. Replace rectifier.
Rectifier Minor Rectifier Fail ALM SEN Thermal
sensor failure:
•Internal
rectifier
failure
1. Place the ac circuit
breaker for the
rectifier in the OFF
position.
2. Remove the
rectifier from the
shelf.
3. Wait for 30 seconds
or until all front
panel display LEDs
have extinguished.
4. Replace the
rectifier.
5. Return the ac
breaker to the ON
position.
6. Place the rectifier
ON/STBY switch
into the ON
position.
7. If the problem is
not corrected,
replace the rectifier
with a new one.
Rectifier Minor Rectifier Fail FAN ALM None Fan failure Replace the fan in the
rectifier. (See Section
11)
Rectifier Minor Manual Off STBY Blank Rectifier has
been manually
turned off. Turn rectifier on.
Table 13-E: Rectifier Related Alarms
(See Figures 12-6 and 12-8)
Controller
LED
Controller
Alarm
Status
Millennium
Controller Display
Rectifier
LED
Rectifier
Display
Possible
Problem(s)
Possible Solution(s)