To start with you need to identify the kind of limit switches your door has.
Travel limit switch garage door.
First locate the limit switch.
This limit switch part number 041d3452 is for garage door openers.
The sooner the better as this situation may cause serious safety issues.
For craftsman chamberlain.
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Follow the instructions in your owner s manual or installation guide when installing this part.
Use a ladder to get there and get ready to make the necessary adjustments.
If you can t find it there consult your user manual for reference.
On certain garage door models the limit switch is located on the tracks.
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.
Limit switch 041d3452 stops the garage door opener motor when the door is fully opened or closed.
You can adjust them with a few tools.
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How to adjust the travel limits of your garage door if it won t close all the way.