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Adjustment Step 3
Test The Safety Reversing Sensor
• Press the remote control push button to open the
door.
• Place the opener carton in the path of the door.
• Press the remote control push button to close the
door. The door willnot move more than an inch,
and the opener light will flash.
Professional service Is required If the opener
closes the door when the safety reversing
sensor Is obstructed.
The garage door opener will not close from a
remote control If the Indicator light In either
sensor Is off(alerting you to the fact that the
sensor Is mlssligned or obstructed).
The garage door can be closed by pressing and
holding the Wall Control push bar or button until
down travel is completed.
I
I--7oF--]
Safety Rev_ Sensor _ Safety Reversing
Adjustment Step 4
Test the Safety Reverse System
Test:
• Place a one-inch board (or a 2x4 laid flat) on the
floor, centered under the garage door.
• Operate the door in the down direction. The door
must reverse on striking the obstruction.
Adjustment:
If the door stops on the obstruction, it is not traveling
far enough in the down direction.
• Increase the DOWN limit by tuming the DOWN
limitadjustment screw counterclockwise 1/4 tum.
• Repeat the test.
On s sectional door, make sure limit adjustments
do not force the door arm beyond a straight up
and down position. See the Illustration on page 26.
• When the door reverses on the one-inch board,
remove the obstruction and runthe opener through
3 or 4 complete travel cycles to test adjustment.
If the door will not reverse after repeated
adjustment attempts, call Sears Service Center
for garage door opener service.
persons trapped by a closing garage door.
Repeat this test once a month and adjust as
l
_4 lald flat)
Important safety check
Repeat Adjustment Steps 1, 2 and 4 after:
• Each adjustment of door arm length, force controls
or limitcontrols.
• Any repair to or adjustment ofthe garage door
(including springs and hardware).
• Any repair to or buckling ofthe garage floor.
• Any repair to or adjustment of the opener.
30
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