Travel Limit Switch Garage Door

The contact metals for both the limit switches and light sockets are flimsy and tarnish very easily.

Travel limit switch garage door.

For example the liftmaster 41a6408 absolute encoder travel module is only compatible with liftmaster 3800p and 3800pld garage door operators. The limit switches control the travel of the door. When the garage door opens about halfway or 5 feet from the ground and stops the up limit switch needs to be adjusted. 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.

Once you locate the limit switch take your flat head screwdriver and start turning the knobs. Adjusting garage door limit switches can be done easily with a few tools. When the door does not close all the way the limit switch may be responsible. You can adjust them with a few tools.

Step 2 making the adjustments. To start with you need to identify the kind of limit switches your door has. The limit switch contacts and the light sockets for that matter are made of very cheap materials on my 2003 chamberlain garage door opener. I ve been told they are cheap on all their models.

Turn clockwise to increase the travel distance and counterclockwise to decrease the travel distance. 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.