How To Adjust Sensors On Chamberlain Garage Door Opener

Check that the line of the string is level.

How to adjust sensors on chamberlain garage door opener.

A flathead screwdriver is all that is needed to make a limit adjustment on most garage door openers. Continue until the sensors are once again level. If the up travel isn t functioning properly turn the up limit adjustment screw clockwise. Go along with your safety reversing sensors.

Refer to the owner s manual to determine which is which. On the garage door motor there will be two knobs or dials to adjust the opener and the reverse sensor. From informational videos to product manuals and troubleshooting articles the chamberlain group resource library has the information you need. If the door won t stay open to its full extent or doesn t close flush to the ground the travel control needs an adjustment.

Step 2 find the two dials on the back of the power unit. Chamberlain garage door simple sensor diagnose and fix. Now put a step ladder under your garage door opener and climb it. Join us as we show the step by step process on aligning your safety reverse sensors.

How to adjust garage door opener sensors diy note. Lay a level so the bottom runs along the string. Disconnect the pre wire from the garage door opener. If the line of the string isn t level adjust 1 or both garage door sensors by sliding the mounting bracket upward.

Each dial has a recessed adjustment screw in the center of the dial. The adjustment for the opener will. Now point the safety sensors at each other. Place the stepladder under the garage door opener power unit and climb up so that you have a clear view of the back end of the power unit housing.

When the invisible beam path is obstructed or misaligned while the door is closing the door will rev.