Test The Safety Reversal System; Testtheprotectorsystem - Craftsman 139.54985 Owner's Manual

ADJUSTMENT STEP 2
Test the Safety Reversal System
TEST
1. With the door fully open, place a 1-1/2 inch (3.8 cm) board (or
a 2x4 laid flat) on the floor, centered under the garage door.
2. Operatethe door in the down direction. The door MUST
reverse on striking the obstruction.
ADJUST
• If the door stops and does not reverseon the obstruction, the
down travel needsto be increased (refer to Adjustment
Step 1). NOTE:On a sectional door, make sure adjustments
do not force the door arm beyond a straight up and down
position.
• Repeatthe test.
• When the door reverseson the 1-1/2" (3.8 cm) board (or 2x4
laid flat), remove the obstruction and run the opener through
3 or 4 complete travel cycles to test adjustment.
• If the garage door opener continues to fail the safety reversal
test, call a trained door systems technician.
IMPORTANTSAFETYCHECK:
Test the Safety ReverseSystem after:
• Eachadjustment of doorarm length, limits, orforce controls.
• Any repair to or adjustment of the garage door (including
springs and hardware).
• Any repair to or buckling of the garage floor.
• Any repair to or adjustment of the opener.
Without a properly installed safety reversal system, persons
(particularly small children) could be SERIOUSLYINJUREDor
KILLED by a closing garage door.
• Safety reversal system MUSTbe tested every month.
• After ANYadjustments are made, the safety reversal system
MUSTbe tested. Door MUSTreverse on contact with 1-1/2"
(3.8 cm) high object (or 2x4 laid flat) on the floor.
1-1/2"(3.8 cm)board
(ora 2x4 laidflat
ADJUSTMENT STEP 3
TestTheProtectorSystem ®
1. Pressthe remote control push button to open the door.
2. Placethe opener carton in the path of the door.
3. Pressthe remote control push button to close the door. The
door will not move more than an inch (2.5 cm), and the
opener lights will flash.
The garage door opener will not close from a remote control if the
LED in either safety reversing sensor is off (alerting you to the
fact that the sensor is misaligned or obstructed). If the garage
door opener closes the door when the safety reversing sensor is
obstructed (and the sensors are no morethan 6 inches [15 cm]
above the floor), call for a trained door systems technician.
Without a properly installed safety reversing sensor, persons
(particularly small children) could be SERIOUSLYINJUREDor
KILLED by a closing garage door.
Safety Reversing Sensor Safety Reversing Sensor
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