Instructions / Assembly
31
Adjustments
STEP 2 Test the Safety Reversal System
Withouta properly installed safetyreversal system,persons(particularlysmall children) could be
SERIOUSLY INJURED or KILLEDbya closing garage door.
l Safety reversal system MUST be tested every month.
l After ANY adjustments are made, the safetyreversal system MUST be tested.Door MUST
reverse on contact with 1-1/2" (3.8 cm) high object (or 2x4 laid flat) on the floor.
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. Pressthe remote control push button to close the door.The door MUSTreverse when it
makes contact with the board.
If the door stops and doesnot reverse on the obstruction, increase the down travel (refer to Adjustment
Step 1).Repeatthe test.When the door reverses upon contact with the 1-1/2 inch board, remove the
board and open/close the door 3 or 4 times to test the adjustment. If the garage door opener continues
to fail the safety reversal test, call a trained door systemstechnician.
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STEP 3 Test the Protector System
®
Withouta properly installed safetyreversing sensor,persons (particularly small children) could be
SERIOUSLY INJURED or KILLEDbya closing garage door.
1. Open the door.Place the garage door opener carton in the path of the door.
2. Pressthe remote control push button to close the door.The door will notmove more than an
inch (2.5 cm),and the garage door opener lights will flash 10 times.
The garage door opener will notclose from a remote control if the LEDin either safetyreversing sensor
is off (alerting you to the fact thatthe sensor ismisaligned or obstructed). If the garage door opener
closes the door when the safetyreversing sensor is obstructed (and the sensors are no more than
6inches[15 cm]above the floor), call for a trained door systemstechnician.
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