
Lucent Technologies Galaxy Power System 4848/100
Issue 5 June 2000
Troubleshooting SCF Systems 13 - 15
RECT
MIN
Rectifier Fail
ALM
HO
High output
voltage:
•Rectifier high
voltage shutdown
•Internal rectifier
failure
1. Verify the configurable
HV thresholds in the
controller.
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
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.
RECT
MIN
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.
Table 13-E: Rectifier Related Alarms
(See Figures 12-6 and 12-8)
Controller
LED
Controller
Alarm
Status
SCF
Controller
Display
Rectifier
LED
Rectifier
Display
Possible
Problem(s)
Possible Solution(s)