Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+ "opened slowly stopped" Questions

139.53985D with 41AC150-2 both remote slowly and now completely stop working, wired console is working, try to reset //power//the reset switch//what a piece of s sears the warranty is over 1 ...

excessive opening force detected (code 42) garage opener opens a little and then it closes very slowly. The bar that holds the machine bends as it tries to open. An error comes up on the keypad, ...

...stopped working at the same time. I replaced all the batteries with no luck. I also unplugged it overnight but still no luck. Wired wall control still operates the door correctly. Also, the door ...

...stopped operating and I would like suggestions on what the likely cause is. The door worked fine until yesterday. I put the door up and it o Here is my troubleshooting so far: • When I press the ...

overhead chain drive starts then stops intermittent distances then power just goes off. tap the box and it will start again after pushing the button then stops again.Slowly getting worse. I would take

Door goes down and when it stops at botton, it turns and goes back up ??? Need adjusting ..How can I adjust??? Adjust the position of the door by using the black and purple buttons. Black moves the ...