GATE OPERATOR TYPE - Swing
GATE OPERATOR MODEL - 4300/4500
CONTROL BOARD - 1050
WHAT THE DISPLAY SHOWS - Red LED for master slave connection is off
WHAT SHOULD BE CHECKED - Verify the length of the twisted pair of wires that connects the 2 operators is not longer than 100 ft
POSSIBLE CAUSE - Loss of signal over the length of the wire
STEPS YOU CAN TAKE - Shorten the length of wire connecting the operators