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

Have to hold the push button inside my garage to close garage.

I have a craftsman 1/2 hp garage door opener when I push button inside my garage it closes about an inch or two and then goes back up. If I hold the button it will go down inside the garage then I can it to close. This is an older unit, (1994) it has a beam sensors. Door opens and closes smoothly if releaseed from chain from the motor. When I use my remotes I can only open the garage not close it.

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Don Maggard

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3,197 Answers

You have a door sensor problem. Make sure the sensors are pointed at one another and the small light on each one is lit and not blinking. Also check the wiring.

Posted on Jul 20, 2009

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What does the purple button light flashing on 1/2 horsepower craftsman garage door opener

I think the adjustment mode is on.

For example, that's from Craftsman manual:

""
Setting the Force
The force setting button is located on the left panel of the motor unit. The force setting measures the amount of force required to open and close the door.
1. Locate the purple button on the left panel of the motor unit (Figure 1).
2. Push the purple button twice to enter the opener into Force Adjustment Mode (Figure 2). The LED (Indicator Light) will flash quickly.
3. Push the remote control or control console (Figure 3). The door will travel to the DOWN (close) position.

""

Actually, you should just read carefully your garage door opener unit's manual.

Craftsman Garage Door Opener Remote

Jun 21, 2014 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

My craftsman 1/2 hp garage dood does not close when it's cold out (with either a push on the remote or a single push from the wall). I have to hold the wall button in until it's completely down. When I do...

Make sure the brackets for the sensors are tight and the small light on the sensors is not blinking ever so slightly. You also might try shading the sensor so that the sun is not shining directly into the lens.

May 20, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+: My craftsman 1/2 hp garage dood does not close whe...

If the main light flashes 10 times when you try to close the door it is a sensor problem. Make sure they are not flickering ever so slightly and that they are not loose on their brackets. Tweak them a little bit.

May 18, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

My craftsman 1/2 hp garage door starts to close and then opens up

I had a simular issue, except mine was that the previous owner decided to mess with all the settings and mounts and screwed everything up.

The problem isn't your force sensors its your downwards stopping sensor on the opposite side of the opener. For me I had to take the entire panel off and replace the sensor back in its holder, but try adjusting that sensor setting (clockwise goes down, counterclockwise goes up).

If that doesn't work then i dunno:)

Also set both force settings in between 0-1, for some reason with mine if i set it higher it would set them off....

Jul 19, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

My Craftsman 139.53879 remote won't learn the code of my 1/2 HP craftsman receiver type 132C2105-3B. I followed the directions to push the transmitter button and hold the receiver button down until the...

I have no idea what a 132C2105-3B is but try this. Hold the button down on the remote and then press and immediately release the smart/learn button. If the remote is the correct one for your opener it should work.

Jun 29, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

I have a craftsman garage door opener (1/2 hp) won't close proper

Check your door sensors. They have probably been bumped. Tweak them until they are pointed at one another and the small light on each one is lit and not blinking.

May 31, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

We have a 1/2 HP craftsman garage door opener that will not close

You have a bad logic board. Cost is about $80.00 for the part.

May 25, 2009 | Sears Craftsman LiftMaster Chamberlain...

2 Answers

Garage door opened, won't close

If you can press and hold the wall button and the door will go down, you have a photo eye issue. Check the photo eyes at the bottom of the door.

Jan 16, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

I have a craftsman 1/2 hp garage door opener. The garage will only close from the inside button. I have to hold it down until the door closes completely otherwise the lights flash and the door...

align sensors again even though both kights are on.

Jan 06, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Garage Door Opener Intermittingly Reversing

try adjusted the sensor controls on the sode of the unit other wise replace the logic board
http://www.chamberlain-garage-door-openers.com/circuitboardcompatibilitychart.htm

Dec 24, 2007 | Sears Craftsman LiftMaster Chamberlain...

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What does the purple button light flashing on 1/2 horsepower craftsman garage door opener

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WHEN OPENING THE FIRST TIME IN THE MORNING THE DOOR JERKS LIKE IT IS PICKING UP SLACK MAKING A LOUD NOISE. AFTER THAT THE REST OF THE DAY IT IS NORMAL THIS IS A CRAFTMAN (SEARS-CHAMBERLAIN) OPENER

Aug 15, 2016 | Sears Craftsman LiftMaster Chamberlain...

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Have to hold the push button inside my garage to close garage.

1 Answer

Don Maggard

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

What does the purple button light flashing on 1/2 horsepower craftsman garage door opener

Open Questions:

WHEN OPENING THE FIRST TIME IN THE MORNING THE DOOR JERKS LIKE IT IS PICKING UP SLACK MAKING A LOUD NOISE. AFTER THAT THE REST OF THE DAY IT IS NORMAL THIS IS A CRAFTMAN (SEARS-CHAMBERLAIN) OPENER

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Keypad_Instructions_cl 976.pdf....

Have to hold the push button inside my garage to close garage.

1 Answer

Don Maggard

Add Your Answer

Attachments: Added items

Related Questions:

What does the purple button light flashing on 1/2 horsepower craftsman garage door opener

My craftsman 1/2 hp garage dood does not close when it's cold out (with either a push on the remote or a single push from the wall). I have to hold the wall button in until it's completely down. When I do...

Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+: My craftsman 1/2 hp garage dood does not close whe...

My craftsman 1/2 hp garage door starts to close and then opens up

My Craftsman 139.53879 remote won't learn the code of my 1/2 HP craftsman receiver type 132C2105-3B. I followed the directions to push the transmitter button and hold the receiver button down until the...

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I have a craftsman 1/2 hp garage door opener. The garage will only close from the inside button. I have to hold it down until the door closes completely otherwise the lights flash and the door...

Garage Door Opener Intermittingly Reversing

Not finding what you are looking for?

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

What does the purple button light flashing on 1/2 horsepower craftsman garage door opener

Open Questions:

WHEN OPENING THE FIRST TIME IN THE MORNING THE DOOR JERKS LIKE IT IS PICKING UP SLACK MAKING A LOUD NOISE. AFTER THAT THE REST OF THE DAY IT IS NORMAL THIS IS A CRAFTMAN (SEARS-CHAMBERLAIN) OPENER

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Lif Master Garage Opener won't cycle door won't open

new out of box,My remotes will not work when my LED light on the out side of my house are on

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