If the contact is touching the problem is either a dirty contact or sorted reply on the control board.
Garage door opener chain jammed.
T his is a pretty uncommon problem but one that can happen after you ve first installed your garage door opener.
Your jammed garage door can be caused by something as simple as an obstruction in the track.
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.
This is related to the up limit switch.
You should properly lubricate your garage door s track the opener chain and the springs every few months as part of regular preventative maintenance.
If the gear becomes too worn it will no longer be able to move the chain.
Poor lubrication is a very common and easy to fix explanation for why you might find your garage door stuck.
First unplug the unit from the outlet.
Be sure to use clopay s garage door prolube or sillicone based lubricants.
Ensure that the unit is plugged in the door isn t locked and if you are using a remote that the remote has batteries.
Inspect the down limit switch.
This excess tension causes the gear that moves the chain to grind down.
Lodged garage door track.
If the chain was installed too tightly on the garage door opener it can make opening the door more difficult for the automatic opener.
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.
I am sorry you are having a problem with the garage door opener.
My craftsman garage door opener is jammed.
Check the breaker controlling the door opener and reset if it it s tripped.
Check to see if anything a shovel broom etc fell and is now stuck in the track that is causing it to be lodged.
If this is what you are describing it sounds like your travel limit switch for ending the opening travel.