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Hi my name is Robert.....
Click HERE and try the troubleshooting sequence, the fault means no power to jack so check the connections at the jack. IF the jack tries to move or you can feel the jack trying to move then you might have a sheered pin for the jack, sometimes when the pin breakes it will get stuck in the gears and not allow the jack to move at all but you would have power to the jack...... Hope this helps some.... Robert