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RC3000 Antenna Controller Chapter 2 Installation
37
Position count errors due to improper use of the position sense line’s shield is one of the most frequent
problems encountered during the installation of the RC3000. Here are the problems that are encountered:
1) A shielded cable was not used for the position sense wires.
2) The shield is not connected at connector J4 on the rear panel of the RC3000.
3) The shield is connected to earth ground at the antenna. This results in ground currents flowing in the
shield. The shield must not be connected to anything at the antenna.
4) The insulator on the sensor cable is broken and the shield is grounded to something. As in #3, this
results in ground currents.
5) The sensor cable is spliced but the shield has not been spliced, or the shield is spliced but is also
shorted to earth ground.
See the troubleshooting (section 4) for more information on count problems.