Lucent Technologies Galaxy Power System 4812
Issue 5 June 2000
Troubleshooting Millennium Systems 13 - 13
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.
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)
