Lucent Technologies Galaxy Power System 4812 - Page 125

Lucent Technologies Galaxy Power System 4812
Issue 5 June 2000 Troubleshooting Vector Systems 14 - 9
RECT MIN rFA 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 rFA 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 rFA ALM FSE Fuse alarm:
•DC fuse open
•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 14-E: Rectifier Related Alarms
Rectifier Related Alarms
(See Figures 12-6 and 12-8)
Controller
LED
Controller
Alarm
Status
Vector
Controller Display
Rectifier
LED
Rectifier
Display
Possible
Problem(s)
Possible Solution(s)