7200 TROUBLESHOOTING
E - 11
OPT cannot track (Applies to: All systems)
Description: This fault occurs if an OPT target (without a model) moves to the
satellite position (current position or Orbit Scan if enabled) and
does not have a beacon signal at least as strong as the “Low
Signal level” parameter setting.
To Correct: Ensure that the tracking receiver signal amplitude is adequate for
tracking purposes.
Remote control panel link failure (Applies to: Systems with two or more 7200’s)
Description: This fault occurs when a remote 7200 ACU serial link connection
is broken.
To Correct: Check the cabling between the 7200 ACU and the 7150 ADU to
ensure that the connectors have not become loose or
disconnected. If the physical connections are proper then check
the protocol for that port under the Edit System Configuration/
Remote Port Configuration menu. It should be as follows: bps
(baud) 19200, Parity none, Data bits 8, Stop bits 1, M&C echo
Disabled, M&C echo Disabled, M&C Newline CR, Shell Visual.
Reversed (Applies to: AZ, EL and POL)
Description: This fault occurs if the antenna is commanded from the 7200 ACU
to move in one direction but it responds by moving in the opposite
direction. It must move as far as the Immobile/Reversed tolerance
[deg] setting before a fault will occur.
To Correct: First increase the Immobile/Reversed tolerance setting. If the fault
persists verify that the antenna is actually driving in the direction
indicated by the axis display. If it is not, change the position
encoder direction under the Edit System Configuration\Position
Encoder Configuration menu on the 7200 ACU.
Simulation (Applies to: All systems)
Description: This status occurs when the user has placed the ACU in simulation
mode.
To Correct: Change the Operational mode parameter (found in Edit system
configuration/Built-in simulator-setup) from "Simulation" back to
"Live".
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