LiftMaster LA400 LA400 Manual - Page 33

ADJUSTMENT » LIMITS LIMITS NOTES: • The gate with the longer travel span (opening) must be set as the primary gate (GATE 1). • If one gate is overlapping the other, the gate that is overlapping must be connected to GATE 1 so it will start moving before the other gate; GATE 2 may need to be closed first if there is overlap or a gate lock is being used. • The programming can be exited at any time by pressing the RESET button. Programming times-out automatically after 60 seconds of inactivity. DUAL GATE (RIGHT-SIDE PRIMARY OPERATOR) 1 Close the gate. 2 Engage the operator by turning the release lever clockwise 180°, then turning the key clockwise 180°. PROGRAM OPEN 3 Press the LEARN LIMITS button (SET OPEN LIMIT LED will blink). LEARN LIMITS button SET OPEN LIMIT R2 K2 U4 D4 D2 RESET BUTTON 4 Press the GATE 1 left button to open the right operator. DIAGNOSTIC GATE 1 SET CLOSE 5 Press the GATE 2 left button to move the left operator into the OPEN position. SET CLOSE LIMIT LE LIMITS 6 Press the LEARN LIMITS SET SET GATE 2 OPEN CLOSE button. Control LIMIT LIMIT FORCE board will beep. PROGRAM CLOSE 7 When the SET CLOSE LIMITS LED blinks, press the GATE 2 right button to close the left operator. SET CLOSE LIMIT LE LIMIT GATE 2 8 Press the GATE 1 right button to close the right operator. DIAGNOSTIC 9 Press the LEARN LIMITS SET GATE 1 button. OPEN LIMIT SET CLOSE LIMIT FORCE SET CLOSE The control board beeps and the SET OPEN LIMIT and SET CLOSE LIMIT LEDs stop blinking, programming is now complete. (If the SET OPEN LIMIT LED continues to blink, repeat programming. If the problem continues, see Troubleshooting section.) Test the limits by pressing the SBC to open and close the gate. 32