Comtech EF Data XPA-200, Инструкция по установке и эксплуатации

Страница: 76 / 96

XPA200-7984-I-OPT1, X-Band SSPA Maintenance and Troubleshooting Maintenance and Troubleshooting
XPA200-7984-I-OPT1, Rev.2 6-4
! +5 VDC:
A fault ("FT") indicates a voltage level exceeding
+/- 10% of the power supply voltage. Check the
output of the +12 VDC Power Supply Module, check
for other module faults, and check all
connections. If the fault still exists, remove
the SSPA and return it to COMTECH for repair.
6.3.1.2 DC Power Supply Modules (continued)
! -5 VDC:
A fault ("FT") indicates a voltage level exceeding
+/- 10% of the power supply voltage. Check the
output of the -12 VDC Power Supply Module, check
for other module faults, and check all
connections. If the fault still exists, remove
the SSPA and return it to COMTECH for repair.
6.3.1.3 Temperature Fault
! SSPA OVER TEMPERATURE FAULT:
A fault ("FT") indicates that the SSPA is
over temperature. Make sure adequate ventilation
is supplied to the unit, and that the airflow path
is not obstructed. (See installation
instructions, Sect. 2). Also, make sure the
ambient air is within the 0 - 50 degree C
operating limits. If the unit still shows a fault
after following these procedures, turn the prime
power switch off and return the SSPA to COMTECH
for repair.
6.3.1.4 Monitor and Control Board
! Loss of LCD or LED Displays:
Check the 5V LED indicator on the Monitor and
Control Board. If the 5V LED indicator is not
illuminated, check the SSPA prime power and
DC power supply connections to make sure they are