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ADJUSTMENT STEP 3
Test the Safety Reversal System
TEST
• With the door fully open, place a 1-1/2" (38 cm)
board (or a 2x4 laid fiat) on the floor centered
under the garage door
• Operate the door in the down direction The door
must reverse on striking the obstruction
ADJUST
. If the door stops on the obstruction it is not
traveling far enough in the down direction
Increase the DOWN limit by turning the DOWN
limit adjustment screw counterclockwise 1/4 turn
NOTE: On a sectional door, make sure limit
adjustments do not force the door arm beyond a
straight up and down position See the illustration
on page 25
• Repeat the test
• When the door reverses on the 11/2" (38 cm)
board, remove the obstruction and run the opener
through 3 or 4 comp]ete travel cycles to test
adjustment
° If the unit continues to fail the Safety Reverse Test
call for a trained door systems technician
IMPORTANT SAFETY CHECK:
Test the Safety Reverse System after:
o Each adjustment of door arm length, limits, or
force controls
o Any repair to or adjustment of the garage door
(including springs and hardware)
• Any repair to or buckling of the garage floor
o Any repair to or adjustment of the opener
Withouta properlyinstalledsafetyreversa]system
persons (particularlysmaltchildren)could be
SERIOUSLYINJUREDor KILLEDbya closing garage
door"
• SafetyreversalsystemMUSTbetested everymonth
. If onecontrol (forceor travellimits) is adjusted the
othercontrol mayalso needadjustment
. After ANYadjustmentsaremade,the safetyreversa]
systemMUSTbe tested Door MUSTreverseon
contact with 1-I12" high (38 cm) object(or 2x4 laid
fiat) on thefloor
* "( B cm) board
(or a 2x4 laid feat)
__ : ___ z
ADJUSTMENT STEP 4
Test The Protector System s
- 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 will not move more than an inch
(25 cm), and the opener lights will flash
The garage door opener will not close from a remote
if the indicator light in either sensor is off (alerting
you to the fact that the sensor is misaligned or
obstructed)
If the opener closes the door when the safety
reversing sensor is obstructed (and the sensors
are no more than 6" (15 cm) above the floor), call
for a trained door systems technician
Withouta properlyinstalledsafetyreversingsensor
persons(particularlysmall children)couldbe
SERIOUSLYINJUREDor KILLEDbya closing garage
door
29