If that doesn t fix the problem take a look at the auto reverse function.
Garage door moves back and forth.
Disengage the door from the trolley by pulling the emergency cord if none of the basic checks reveals a simple explanation for why the door won t open.
Have a garage door repair technician fix the door and tracks if the door binds up on the tracks.
Run the garage door opener to move the trolley back and forth along the garage door opener rail to check for binding.
The door will move back and forth sometime 1 2 inch sometimes 1 foot.
I think the problem is the outer carriage and inner carriage have so much clearance they rock back and forth.
Sometimes garage doors close half way change their mind and go back up.
Causing the loud rattling.
I installed 2 of these jan 2015 and they have been doing.
Garage doors come with a reverse mechanism which serves as a safety feature.
Try to open the door manually.
If the door doesn t reverse back before it hits the wood then you ll need to clean the eyes.
Open and close the door manually checking for smooth door operation.
Oddly enough it seems to follow a sequence every 3rd push of button it seems ot move the most about 1 foot the green led blinks 4 times.
It may need adjustment in order to function properly.
1 16 of 642 results for door thresholds for exterior doors m d building products 78618 1 1 8 inch by 5 5 8 inch 73 inch th394 adjustable aluminum and hardwood sill inswing mill 4 2 out of 5 stars 135.
Don t fault their hesitation there are several reasons for this frustrating behavior.