o
1
Open the garage door. Stand near the edge of the garage
door, where the optical sensors are located. Do block the optical sensors.
o
2
Close the garage door, and step between the optical
sensors to break the sensor connection as the door lowers. The garage door should immediately reverse when you walk under the garage
door. If the garage door does not auto reverse, refer to your owner's manual
and verify that the sensors are correctly connected to the power head. Contact
the garage door manufacturer if the sensors are connected properly and do not
function.
o
3
Open the garage door. Place the 2-by-4 on the garage
floor, directly below the garage door, with the 4-inch-wide side of the board
resting flat on the floor. Make sure the board does not interfere with the
optical sensors that you checked in step 2.
o
4
Close the garage door. Begin counting seconds when the
garage door touches the 2-by-4. If the garage door opener does not auto reverse
within 2 seconds, open the garage door. Adjust the applied force sensor per the
garage door manufacturer's instructions, reducing the amount of pressure
required to reverse the door. Re-test the garage door. Continue the process
until the garage door opener auto reverses within 2 seconds.
o
5
Remove the board from beneath the garage door. Close the
garage door. While the garage door is closing, hold on to one of the door's
braces. Try to keep the electric door from closing--this will test the applied-force sensor at
a point other than closed. If you cannot make the door auto reverse before you
lose your grip, lower the adjustment on the applied-force sensor.
o
6
Re-test the garage door. If the applied force sensor is
set to low, the garage door will not seat properly. Adjust the applied force
sensor as needed. Repeat steps 4 and 5, ensuring the sensor operates at a safe
level.
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