GE Industrial Solutions GPS 4848_100 Users Guide (dual rectifier shelf) - Manual (Page 109)

Galaxy Power System 4848/100 with Dual Rectifier Shelf
Issue 5 September 2011 Troubleshooting Millennium Systems 13 - 11
RECT MIN Rectifier Fail ALM TA Thermal alarm:
•Excessive
ambient
temperature
•Internal rectifier
failure
1. Verify that there is
no obstruction of
the fan inlet.
2. Toggle the ON/
STBY switch into
the STBY position
and then back into
the ON position.
3. If the problem is not
corrected, replace
the rectifier.
RECT MIN Rectifier Fail ALM CB Circuit breaker
alarm:
•DC output
circuit breaker
open
•Internal rectifier
failure
1. Toggle the ON/
STBY switch into
the STBY position;
toggle the DC
output circuit
breaker into the
OFF position and
then into the ON
position. Return the
ON/STBY switch to
the ON position.
2. If the problem is not
corrected, replace
the rectifier.
Table 13-E: Rectifier Related Alarms (Continued)
(See Figures 12-4 and 12-6)
Controller
LED
Controller
Alarm
Status
Millennium
Controller Display
Rectifier
LED
Rectifier
Display
Possible
Problem(s)
Possible Solution(s)