MNC-0400-048 14 of 14 Revision B
Operation, TWTA ODU Amplifier
WG Arc 2 Waveguide Arc Fault 2 on a
multi-waeguide arc
configuration.
A waveguide arc
was detected after
the isolator.
Check for properly
connected
waveguide, and a
properly terminated
load.
Wvgd Arc Waveguide Arc Fault A waveguide arc
was detected.
Check for properly
connected
waveguide, and a
properly terminated
load.
Table 1 TWT Fault Log Troubleshooting
Fault Log
Engry
Description
Possible Cause of
Fault
Action Needed to
Clear Fault
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