If the contact is touching the problem is either a dirty contact or sorted reply on the control board.
Garage door opener chain jammed.
Be sure to use clopay s garage door prolube or sillicone based lubricants.
It s important to get this switch at just the right distance from the motor so that the door is able to close all the way but the motor also knows to stop running.
If this is what you are describing it sounds like your travel limit switch for ending the opening travel.
The part that connects the chain drive to the door is called a carriage.
Your jammed garage door can be caused by something as simple as an obstruction in the track.
First unplug the unit from the outlet.
If the gear becomes too worn it will no longer be able to move the chain.
You should properly lubricate your garage door s track the opener chain and the springs every few months as part of regular preventative maintenance.
This excess tension causes the gear that moves the chain to grind down.
If the chain was installed too tightly on the garage door opener it can make opening the door more difficult for the automatic opener.
Lodged garage door track.
Try making small adjustments.
This is related to the up limit switch.
Then remove the metal cover to access the motor.
The hine slide that pulls the garage down is stuck against the motor answered by a verified home improvement expert.
My craftsman garage door opener is jammed.
Check the breaker controlling the door opener and reset if it it s tripped.
This can be a quick fix by identifying the object and then removing it.
Check to see if anything a shovel broom etc fell and is now stuck in the track that is causing it to be lodged.
T his is a pretty uncommon problem but one that can happen after you ve first installed your garage door opener.
Inspect the down limit switch.