Question about Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+

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Door goes up when I press the button, but not down

I press the button and the door goes up. When I press the button to close the door, it will not come down. I have to hold the inside door button in the garage to close it. I have tried to program the remote, but it still won't close the door. I checked to see if there is anything blocking the path of the beam. There are no obstacles in the way. Please help.

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If when you close the door the main light flashes 10 times and the door reverses to the open position it is a door sensor problem. Check to make sure the small light on each sensor is lit and not flashing. They must be pointed at one another to work properly.

Posted on Jul 30, 2009

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Posted on Jan 02, 2017

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Mercedes CLS 500 Why is my door ajar light is on but door is closed


sounds like the door switch is not working find out which door is causing this, Close all the doors and One at a time open a door find the button on the door jamb and press it in, See if the door ajar light goes out, If it does, The door is not pushing the button in enough to turn it off. you can attach something to the door where the button hits or extend the button and make it hit the door.

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My liftmaster will open with the remote but to close the door, we have to hold down the wall unit. It starts to close, jerks to a stop, then we have to press and hole the button and it closes.


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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 door UP (open) and purple moves the door DOWN (close)
Setting the up position: 1. Press and hold the black button until the LED starts flashing slowly, then release. 2. Push and hold the black button until the door reaches the desired UP (open) position 3. Push the door control or programmed remote control. This sets the Up (open) position and begins closing the door. 4. Immediately when the door begins to close press and release the black or purple button. This will stop the door Setting the Down position: 5. Push and hold the purple button until the door reaches the desired DOWN (Closed) position. 6. Once the door is closed, If there appears to be too much pressure on the door, you may toggle the door back and forth using the black and purple buttons to reach the desired closed position. 7. Push the door control or programmed remote control. This sets the Down (closed) limit and the door should open.

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When I try to close my garage door --4100 model-- the door travels part way down, then reverses and goes to the up position. I can force it closed by keeping the garage door wall switch continually...


Check your door sensors. Make sure they are pointed at one another and the small light on each one is lit and not flickering. Tweak them a little. If you cannot get both lights to come on you have a bad sensor.

Dec 30, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

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Check your down limit switch and even your up one too almost sounds like one is stuck one way or the other.

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Garrage door opener ability to close the garrage door


HOLDING DOWN THE WALL BUTTON OVERRIDES THE SAFETY EYES.
WHEN HOLDING IT DOWN MAKES THE DOOR CLOSE PROPERLY THE PROBLEM IS IN THE SAFETY EYES.

ARE BOTH LEDS ON? - CHECK FOR A LOOSE OR BROKEN WIRE.
ARE THE EYES WIRED CORRECTLY?
ARE THEY AIMED AT EACH OTHER?

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1 Answer

Pressing remotes the door won't go u[


It sounds like you have the lock enguaged. When it is flashing it locks out all remote access. Hold the lock button for 3 seconds. The green light should go solid. On the issue of closing, it is most likely a safety eye issue. Hold down the wall button. If it closes it is the safety eyes. Holding the button overrides the safety eyes. Make sure that thelight on both eyes are both lit.

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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.

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Sears craftsman 1/2 hp garage door troubleshooting


My garage door opener will start to close then stop and go back to the open position. If I put pressure on the door as it is closing sometimes it will close all the way and sometimes it will return to the open position. Can you help me. Thanks pbstation771@verizon.net

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