Owner's Manual

ManualsBrandsCraftsman ManualsGarage Door OpenersCraftsman AssureLink Internet 3/4 HP DC Belt Drive Garage Door Opener DieHard Battery Backup, No Annual Fees

ADJUSTMENT STEP 2

Testthe SafetyReversalSystem

TEST

• With the door fully open, place a 1-1/2" (3.8 cm) board (or a

2x4 laid flat) on the floor, centered under the garagedoor.

• Operatethe 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. Complete Adjustment Step 1.

NOTE:On a sectional door, make sure limit adjustments do not

force the door arm beyond a straight up and down position.

SeeFigure 3, page20.

• Repeatthe test.

• When the door reverses on the 1-1/2" (3.8 cm) board (or 2x4

laid flat), removethe obstruction and run the openerthrough

3 or 4 completetravel cycles to test adjustment.

• If the unit continues to fail the Safety ReverseTest, call for a

trained door systems technician.

IMPORTANTSAFETYCHECK:

Test the Safety ReverseSystem after:

• Each adjustment of door arm length, limits, or force controls.

• Any repair to or adjustment of the garagedoor

(including springs and hardware).

• Any repair to or buckling of the garagefloor.

• Any repair to or adjustment of the opener.

Without a properly installed safety reversalsystem, persons

(particularly small children) could be SERIOUSLYINJUREDor

KILLEDby a closing garagedoor.

• Safety reversalsystem MUST betested every month.

• After ANY adjustments are made,the safety reversalsystem

MUST be tested. Door MUSTreverse on contact with

1-1/2" (3.8 cm) high object (or 2x4 laid flat) on the floor.

(or a 2x4 laid flat)

ADJUSTMENT STEP 3

TestTheProtectorSyster_

• Pressthe remote control push button to open the door.

• Placethe opener carton in the path of the door.

• 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 openerwill 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 openerclosesthe doorwhen the safety reversingsensor

is obstructed(and the sensorsare nomore than 6" (15 cm)

abovethe floor), call for a trained doorsystemstechnician.

Without a properly installed safety reversing sensor, persons

(particularly small children) could be SERIOUSLYINJUREDor

KILLEDby a closing garagedoor.

SafetyReversingSensor Safety Reversing Sensor