Troubleshooting - Hughes Jupiter Pointing Manual

Troubleshooting

Symptom
Blank screen
during the
pointing
procedure after
COMM Startup
message
Permanent
COMM Startup
message
Permanent
Logging
VoltMeas
message
Permanent
Switch IFL Cable
message
SQF does not go
higher than 31
Chapter 2 • Pointing the antenna by using the DAPT2
22
1039429-0001 Revision D
The procedures in this chapter outlined the basic pointing process. Should the
DAPT2 display an error message, or if you receive unexpected results, use the
information in Table 1
the outlined procedures does not resolve the problem, contact Installer Support.
Table 1: DAPT2 display messages
Indication
Satellite modem may still be reading the ODU
file.
Satellite modem is not in pointing mode.
Advance button was been pressed before
submitting the installation parameters.
Cables on the DAPT2 are not connected
properly.
The satellite modem cable is connected to the
LNB side of the DAPT2
Circular polarization setting is incorrect.
Installation parameters incorrect.
No RX cable connected between DAPT2 and
LNB, or bad cable used.
to help you diagnose and resolve the problem. If following
Wait for 90 seconds for screen message to
reappear.
At the LUI, verify that the satellite modem is
in pointing mode (refer to
page 16). If the satellite modem is not in
pointing mode, repeat the process explained
in Entering installation parameters
page 13. If the DAPT2 does not display the
SQF reading (SQF<>sqf) after a few seconds,
press Advance.
Reconnect the cables to the DAPT2 in
accordance with the connector labels on the
DAPT2 rear panel.
Reconnect the cables to the DAPT2 in
accordance with the connector labels on the
DAPT2 rear panel.
Set the polarization to LHCP or RHCP, as
indicated on the Terminal Pointing Info
screen (Setting for ODU Polarization).
Go to Modify Installation Parameters under
Advanced Configuration and Statistics and
use the Installation Reference Sheet to make
the appropriate corrections.
Connect/replace the RX cable between
DAPT2 and LNB.
Correction action
Figure 7 on
on