Adjusting garage door limit switches can be done easily with a few tools.
Travel limit switch garage door.
When the door does not close all the way the limit switch may be responsible.
Step 2 making the adjustments.
Turn clockwise to increase the travel distance and counterclockwise to decrease the travel distance.
The sooner the better as this situation may cause serious safety issues.
For example the liftmaster 41a6408 absolute encoder travel module is only compatible with liftmaster 3800p and 3800pld garage door operators.
I ve been told they are cheap on all their models.
Open the garage door and watch it closely as it opens.
The limit switch contacts and the light sockets for that matter are made of very cheap materials on my 2003 chamberlain garage door opener.
The limit switches control the travel of the door.
If your garage door does not close completely or closes and then starts to move up the travel limit switch issue may be the cause.
You can adjust them with a few tools.
The contact metals for both the limit switches and light sockets are flimsy and tarnish very easily.
Read the descriptions included with each part to learn if the replacement limit switch and travel module assemblies are compatible with several brands and models or only a few.
When the garage door opens about halfway or 5 feet from the ground and stops the up limit switch needs to be adjusted.