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SkyView
HDX System
General Maintenance Manual, Revision F
7 Troubleshooting
7.1
Identifying Failures
If a major failure occurs that prevents SkyView HDX Display from presenting information, it will
respond with a Red X and a descriptive label of which input failed. The Red X may overlay the
entire page if a data source such as the ADAHRS module fails (see
If an EMS module fails, there will be a Red X over the entire EMS display segment (bottom band,
50% page, etc.) and a yellow "EMS FAIL" label (see
). If a sensor fails, only the area
associated with the display of that sensor’s data will have a Red X displayed over it (see
Fundamentally, the Red X indicates a failure to communicate with a SkyView HDX component
or a sensor connected to a component. Potential communication faults are listed in Section
Figure 48: Example of an ADAHRS Module Failure
