3 Troubleshooting
The troubleshooting matrix shown in Figure 3-1 identifies some
trouble symptoms, their possible causes, and reference to
troubleshooting solutions.
3.1 Causes and Remedies for
Common Operational Issues
There are a number of common issues that can affect the signal
reception quality or the operation of the TracVision 4. The
following sections address these issues and potential solutions.
3-1
Troubleshooting
54-0150 Rev. E
Figure 3-1
Troubleshooting Matrix
Antenna non-functional X
Antenna not switching channels/satellites X X X
No picture on TV set X X X X X X X
Intermittent picture for short intervals X X X X X X X X
System works at dock but not on the move X X
System will not find satellite X X X X X X X X
Snowy or pixelating television picture X X X X
Outside satellite coverage zone (Section 3.1.5)
Antenna gyro faulty (Section 3.3)
LNB assembly faulty (Section 3.3)
Satellite signal blocked (Section 3.1.4)
Incorrect satellite configuration (Section 3.1.3)
Incorrect or loose RF connectors (Section 3.1.7)
Radar interference (Section 3.1.6)
POSSIBLE CAUSE (AND SOLUTION)
SYMPTOM
Blown fuse or wiring (Section 3.1.1)
Passive multiswitch used (Section 3.1.9)
Vessel turning during startup (Section 3.1.2)
IRD faulty or improperly configured (Section 3.2)
Multiswitch interference (Section 3.1.8)
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