Chamberlain 459950 Manual De Usuario

28

Adjust the position of the door by using the black and 
purple buttons. Black moves the door UP (open) and 
purple moves the door DOWN (close). 

1.  Press and hold the black button until the LED starts 

fl ashing slowly, then release.

2.  Push and hold the black button until the door reaches 

the desired UP (open) position.

3.  Push the door control or programmed remote control. 

This sets the UP (open) limit and begins closing the 
door.

4.  Immediately when the door begins to close, press and 

release either the black or purple button. This will stop 
the door.

5.  Push and hold the purple button until the door reaches 

the desired DOWN (closed) position. 

6.  Once the door is closed, if there appears to be too much 

pressure on the door, you may toggle the door back and 
forth using the black and purple buttons to reach the 
desired closed position.

7.  Push the door control or programmed remote control. 

This sets the DOWN (close) limit and the door should 
open.

Proceed to Set the Force.

Without a properly installed safety reversal system, 
persons (particularly small children) could be 
SERIOUSLY INJURED or KILLED by a closing garage 
door.
•  Incorrect adjustment of garage door travel limits 

will interfere with proper operation of safety reversal 
system. 

•  NEVER use force adjustments to compensate for a 

binding or sticking garage door.

•  After ANY adjustments are made, the safety reversal 

system MUST be tested. Door MUST reverse on 
contact with 1-1/2" (3.8 cm) high object (or 2x4 laid 
fl at) on fl oor.

To prevent damage to vehicles, be sure fully open door 
provides adequate clearance.

Purple
Button

Black
Button

LED

LED

LED

Push and hold 
until the door 
is at desired UP 
position

Push either 
button to stop 
door at desired 
DOWN position