User's Manual

SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
eNfusion® HSD-440 Mark 2 Terminal
23-15-30 4-81
3 JUN 10
Call failure IRS information not available Activate
maintenance
reports 21 and
23
• Check that the IRS systems are
powered on and aligned.
• Check that connections to the IRS
systems are secured.
• Check the polarity of IRS input
lines.
• If no IRS data is available, use
Menu 10 to manually input
navigational data to point the
antenna to a preferred satellite
location and try the call again.
System does not log on to the
global beam
Activate
maintenance
reports 21 and
23
• Check that the IRS data is
received and valid.
• Make sure that a valid FWD ID is
read.
• Verify that the antenna is pointing
in the correct direction.
• Make sure that LES/GES access
codes are configured correctly.
• Verify all coaxial connections.
System does not log on to the
correct OR
Activate
maintenance
reports 21 and
23
• Check that the IRS data is
received and valid.
• Check for antenna line-of-sight
interference.
Terminal is not transmitting Activate
maintenance
reports 21 and
23
• Check for a defective or loose RF
cable.
• Verify that the Rx RF level is
acceptable.
• Check RF power level displayed
in maintenance port menu report
21; the EIRP should be requested
at 14.00
dBW, but when in call,
power level should increase to
22.5
dBW and then level off to
approximately 16
dBW.
• Make sure that the HSD-440
Mark 2 Terminal is secured
properly to the ARINC connector
in the tray.
Table 4-24 Troubleshooting and Fault Isolation (Continued)
Fault Description
Maintenance
Report
Check