ARMA-K100-CRM
43
7.6 SSPA FAULT DIAGNOSIS
1. Verify RF input level.
2. Verify attenuation setting on front panel. Refer to
Section 5.6
at page 37.
3. Verify output power reading on front panel.
4. Verify MUTE on/off.
5. Verify U-link on discrete interface connector.
7.7 TEMPERATURE FAULT DIAGNOSIS
Refer to
Section 6.1
at page 40
for alarm conditions
1. Verify ambient temperature.
2. Verify air exhaust and intake obstruction.
3. Verify fan operation. Refer to
Section 7.10
at page 43 for replacement.
7.8 LOW OUTPUT POWER FAULT DIAGNOSIS
1. Verify RF input level.
2. Verify attenuation setting on front panel.
7.9 HIGH REFLECTED POWER FAULT DIAGNOSIS
Verify waveguide leading to antenna.
7.10 MODULE REPLACEMENT
Module
Part #
Input Coupler
100-000330-041
SSPA (Driver module)
200-630600-002
SSPA (Power module)
200-132600-003
WR75 W/G Arm Assembly
240-330600-701
Main Power Supply
505-743320-001
Secondary Power Supply
210-450256-001
48 V Varifan Power Supply (3)
210-450794-011
Current Sensor
230-500600-001
Waveguide Arm Assembly
240-330600-502
Fan Assembly (4)
290-100600-001
Monitor and Control Assembly
210-250754-212