The adjustment for the opener will.
How to adjust sensors on chamberlain garage door opener.
Connect the white wire from the sensor to the white terminal of the garage door opener and then the black and white wire to the grey terminal.
Now put a step ladder under your garage door opener and climb it.
Refer to the owner s manual to determine which is which.
Check that the line of the string is level.
In this video i show you how to realign your garage door sensors so that the garage door can function properly.
A flathead screwdriver is all that is needed to make a limit adjustment on most garage door openers.
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.
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.
Go along with your safety reversing sensors.
Now point the safety sensors at each other.
Disconnect the pre wire from the garage door opener.
Continue until the sensors are once again level.
On the garage door motor there will be two knobs or dials to adjust the opener and the reverse sensor.
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.
Each dial has a recessed adjustment screw in the center of the dial.
Lay a level so the bottom runs along the string.
Step 2 find the two dials on the back of the power unit.
If the line of the string isn t level adjust 1 or both garage door sensors by sliding the mounting bracket upward.
When the invisible beam path is obstructed or misaligned while the door is closing the door will rev.
Chamberlain garage door simple sensor diagnose and fix.