Winegard WV750 Product Manual page 54

This happens when the IDU is not communicating with the
modem.
Verify that the IDU is connected to the proper modem.
The IDU doesn't respond for several
seconds.
Turn the entire system off. Turn the modem on and wait
several seconds before turning the IDU on.
Verify that the IDU is getting the proper DHCP address (or
static address).
This will happen if the antenna loses power while moving or a
possible motor fault.
"Homing Sequence Needed"
message appears on the IDU
Try and perform a motor calibration first.
screen.
If a motor calibration does not clear the error, enter the debug
OR
menus and try to move the motors individually. See appendix
A.
Dish raises but will not move in
azimuth. This may happen when
Determine if any motor indicates an invalid position command.
calibrating the motors or normal
operation.
Verify motor positioning is working through the DC> debug
commands.
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7451041 - V2.2