Chamberlain 8587 - Test the Safety Reversal System; Test the Protector System

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2 Test the Safety Reversal System
Withouta properly installed safetyreversal system,
persons(particularly small children) could be
SERIOUSLY INJUREDor KILLED by a closing
garage door.
• Safety reversal system MUSTbe tested every
month.
• After ANY adjustments are made, the safety
reversal system MUSTbe tested.Door MUST
reverse on contact with 1-1/2" (3.8 cm) high
object (or 2x4 laid flat) on the floor.
2.1 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.
2.2 Pressthe remote control push button to
close the door. The door MUST reverse
when it makes contact with the board.
If the door stopsand does notreverse on
the obstruction,increase the down travel
(refer to AdjustmentStep 1).
Repeat the test. When the door reverses
upon contactwith 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 safetyreversal test,call a trained door
systems technician.
3 Test the Protector System
®
Withouta properly installed safetyreversing
sensor,persons(particularlysmall children) could
be SERIOUSLY INJURED or KILLED by a closing
garage door.
3.1 Open the door. Place the garage door
opener carton in the path ofthe door.
3.2 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 not close
from a remote control if the LEDin either
safetyreversing sensor is off(alerting you
to the fact that the sensor is misaligned or
obstructed).
If the garage door opener closesthe door
when the safetyreversing sensor is
obstructed (and the sensors are no more
than 6 inches [15 cm] above the floor), call
for a trained door systems technician.
Adjustments