LiftMaster LA412UL Installation Manual - Page 27
ADJUSTMENT, Initial Limits and Force Adjustments
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ADJUSTMENT Initial Limits and Force Adjustments For dual gate applications the limits will have to be set for each operator. The gate MUST be attached to the operator before setting the limits and force. If a mistake is made while programming the limits press the reset button to start over. 1. Set the GATE switch to the 1 position. 2. Press and release the SET OPEN and SET CLOSE buttons simultaneously to enter limit setting mode. 3. Press and hold the MOVE GATE buttons to move the gate to the open or close limit. 4. Press and release the SET CLOSE or SET OPEN button depending on which limit is being set. 5. Press and hold the MOVE GATE button to move the gate to the other limit. 6. Press and release the SET CLOSE or SET OPEN button depending on which limit is being set. The operator will exit limit setting mode.* 7. Cycle the gate open and close using the TEST BUTTONS. This automatically sets the force. 8. For dual gates set the Gate switch to the 2 position and repeat steps 2-7. When limits are set properly the operator will automatically exit limit setting mode. * Dual Gates ONLY: When the limits are set on the secondary gate first the control board will not exit the limit setting mode until the limits are set on the primary gate. 27