SOURCE: Door will only close when held down
That normally happens when the sensors aren't aligned. Both sensors have led lights on them the yellow/orange one will stay on all the time the green one will go out if it cant see the other sensor. Possibly theres a wire that's broken or the other sensor is really out of alignment. Check every inch of wiring from the sensor to the opener, remove wire nuts if present and check the connections. The wires that are used are small, solid and can break easily. Also see if there's a staple that's too tight, move the wire abit where it's stapled and look for damage.
SOURCE: Sensor lights not working on door opener
If the sensor light or receiver gets kicked, it can be knocked out of alignment. If it's not aligned, it will act as though it is blocked -- in other words it will open, but not close.
I fixed my buddy's opener not long ago -- you should have two parts of the sensor, near the floor at the bottom of the door. One is an infrared light, the other is a receiver. The receiver should have a little LED on it. This glows green when it is receiving a clear signal from the other side. If your's is glowing red when you can see that the path is clear, try adjusting the aim of the infrared light. You should be able to gently move the light from side to side until you see the LED on the receiver glow green.
SOURCE: Remote does not open or close garage door; inside button flashes
What has happened is that you electric eyes are blocked or have gone out. The eyes are at the garage door about a foot of the ground on both sides. There should be a red or green light on one of them. If not some thing is blocking the beam that goes across the door. It is a safety beam so kids can nt get hurt when the door is coming down. If the beam is broke the door will go back up.
SOURCE: Garage door opener doesnt close the garage
If you have to hold down the button to close the door, you are bypassing the sensors ...
Check the alignment of the sensors. Should see a solid GREEN light
SOURCE: Problem with Sears Garage Door Opener
The motors is cought on something check the motor if it moves inches it will move a yard the question is the motor is it getting power? if so is it stuck on its own drive chain? Check these things you be glad you did.
Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/edwy_1a56970cf1ea4620
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