Hughes Jupiter, Pointing Manual

Page: 36 / 47

36
Chapter 3 • Pointing the antenna by using the DAPT3
1039429-0001 Revision D
Troubleshooting
The procedures in this chapter outlined the basic pointing process. Should the
DAPT3 display an error message, or if you receive unexpected results, use the
information in
Table 2 to help you diagnose and resolve the problem. If following
the outlined procedures does not resolve the problem, contact Installer Support.
Table 2: DAPT3 display messages
Symptom Indication Correction action
Blank screen
during the
pointing
procedure after
COMM Startup
message Satellite modem may still be reading the ODU
file. Wait for 90 seconds for screen message to
reappear.
Permanent
COMM Startup
message Satellite modem is not in pointing mode.
Advance button was been pressed before
submitting the installation parameters.
At the LUI, verify that the satellite modem is
in pointing mode (refer to
Figure 7 on page
16). If the satellite modem is not in pointing
mode, repeat the process explained in
Entering installation parameters on page 25.
If the DAPT3 does not display the SQF
reading (SQF<>sqf) after a few seconds,
press
Advance .
Permanent
Logging
VoltMeas
message Cables on the DAPT3 are not connected
properly. Reconnect the cables to the DAPT3 in
accordance with the connector labels on the
DAPT3 rear panel.
Permanent
Switch IFL Cable
message The satellite modem cable is connected to the
LNB side of the DAPT3 Reconnect the cables to the DAPT3 in
accordance with the connector labels on the
DAPT3 rear panel.
SQF does not go
higher than 1 • Circular polarization setting is incorrect.
Set the polarization to LHCP or RHCP, as
indicated on the Terminal Pointing Info
screen (Setting for ODU Polarization).
Installation parameters incorrect. Go to Modify Installation Parameters under
Advanced Configuration and Statistics and
use the Installation Reference Sheet to make
the appropriate corrections.
No RX cable connected between DAPT3 and
LNB, or bad cable used. Connect/replace the RX cable between
DAPT3 and LNB.
[For HT1300 only]

DAPT3 in RX IFL path.

RX IFL has a direct connection to the LNB.
Remove DAPT3 from RX IFL.
[For HT1200 and HT1100]

Modem cannot talk to the radio (status
code 3.1.1)
Verify the modem is connected to the ODU.