Comtech EF Data HPCST-5000 - Manual (Page 138)

Controller for Single Thread Systems High-Power TWTA Satellite Terminals
5–10 Rev. 1
5.2.3 Clearing a Fault
If the Summary Fault indicator lights up when the HV ON/OFF switch is set to ON
(Beam Select ON), try to clear the fault.
The procedures for clearing a fault in the LOCAL and REMOTE control configurations
are described in the following paragraphs.
5.2.3.1 Clearing a Fault-LOCAL Control Configuration
To clear a fault when the HV ON/OFF switch is set to ON:
1. Momentarily press the HV ON/OFF switch to OFF.
2. Momentarily press the HV ON/OFF switch to ON.
If the fault persists, repair and service may be required. If necessary, contact the EFData
Customer Support Department.
5.2.3.2 Clearing a Fault-REMOTE Control Configuration
To clear a fault when “Beam Select On” has been selected from the remote controller:
1. Momentarily connect the Beam Select OFF line (J1 Pin 3) to J1 Pin 4 (or press
the equivalent momentary switch to the OFF position).
2. Momentarily connect the Beam Select ON line (J1 Pin 2) to J1 Pin 4 (or press
the equivalent momentary switch to the ON position).
Additionally, a fault can be cleared with the FAULT RESET command:
1. Momentarily connect J1 Pin 6 to J1 Pin 4.
If the fault persists, repair and service may be required. If necessary, contact the EFData
Customer Support Department.