Chamberlain 050ACTWFLK, Replacement

3

Program the travel

1

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. 

•   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.

1.1

   Press and hold the Adjustment Button 

until the UP Button begins to fl ash and/
or a beep is heard.

1.2

   Press and hold the UP Button until the 

door is in the desired UP position. 

1.3

   Once the door is in the desired 

UP position press and release the 
Adjustment Button. The garage door 
opener lights will fl ash twice and the 
DOWN Button will begin to fl ash.

NOTE: 

The UP and DOWN Buttons can be used to 

move the door up and down as needed.

1.4

   Press and hold the DOWN Button 

until the door is in the desired DOWN 
position.

NOTE:

 The UP and DOWN Buttons can be used to 

move the door up and down as needed.

1.5

   Once the door is in the desired 

DOWN position press and release the 
Adjustment Button. The garage door 
opener lights will fl ash twice and the 
UP Button will begin to fl ash.

1.6

   Press and release the UP Button. 

When the door travels to the 
programmed UP position, the DOWN 
Button will begin to fl ash.

1.7

   Press and release the DOWN Button. 

The door will travel to the programmed 
DOWN position. Programming is 
complete.

*  If the garage door opener lights are fl ashing 5 times during the steps for Program the Travel, the programming has timed out. If the garage door opener lights are fl ashing 10 times during the steps for 

Program the Travel, the safety reversing sensors are misaligned or obstructed. When the sensors are aligned and unobstructed, cycle the door through a complete up and down cycle using the remote 
control or the UP and DOWN buttons. Programming is complete. If you are unable to operate the door up and down, repeat the steps for Programming the Travel.

Adjustment