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Garage door closes most of the way, then blinks and reopens

When the garage door closes, it goes all the way closed, then the light blinks and it reopens. I can only keep it closed by pushing and holding the garage door button from in the garage

Posted by Anonymous on

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  • Master
  • 2,113 Answers

You can adjust the downward sensitivity by turning an adjustment on the opener

Posted on Nov 28, 2013

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Posted on Jan 02, 2017

icchips
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SOURCE: garage door will not stay closed. hit remote button when door is down to keep it closed

Assuming that you do not have anything interfering with the obstruction sensor located at the bottom/sides of the door opening, you most likely will need to adjust the "force-down" control. This control switch should be located on the power-head of your opener. An arrow should indicate direction to turn to increase the force down. You must be careful not to increase it too much or you will create a crushing danger for pets and children. Turn only a little at a time until a test keeps the door closed. You must then place an obstruction under the door (1 inch tall) to make sure it still reverses when an obstruction is met. Sometime temperature conditions will affect the correct operation of the opener and it will need readjustment.

Posted on Aug 20, 2012

  • 76 Answers

SOURCE: Garage door opener does not close all the way.

sensors need to be alined both should have green lites

Posted on Aug 26, 2012

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1 Answer

Garage door opener does not close all the way.


sensors need to be alined both should have green lites

Aug 26, 2012 | Home Security

1 Answer

Garage door when i close it it goes all the way down but then reopens all the way up then light starts blinking


Make sure your door sensors are pointed at each other and the small light on each one is lit and not flickering. Tweak them a little.

Jul 09, 2012 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

My Lift Master Formula 1 is not closing all the time. It will close about 1~2 feet the reverse and reopen. This happens using the remote and the manual button. Also, after it reopens the light blinks...


I recommend this to everyone with garage door opener problems:

Use the pull cord and disconnect the opener from the door. Operate the opener and let the carrier slide back away from the door. Is the carrier moving smoothly when disconnected? Next, lift the door by hand from the bottom to the top. Is it moving smoothly? If not, lubricate the hubs of all the rollers on both sides of the door. Check the cable pulleys at the top sides of the door channel, lubricate them as well. Are all cables in all the pulleys, there are 4.

Gary

Dec 10, 2010 | liftmaster Chamberlain Garage Door Opener...

1 Answer

Have a Craftsman 1/2hp garage door opener (HBW0777 year 1994). It won't close and goes back while blinking 8 or 9 times. Transmitting sensor (red light) is blinking 3 times (even i hold the two sensor...


Anytime the main light flashes 10 times and the door reverses to the open position it is a door sensor problem. If the transmitting sensor light is blinking it is bad.

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

1 Answer

Door opens byitself


You have 2 floor photo eyes that run a beam across so that if a kid runs under the door it will go back up. If the door wont close and goes back up I would check to make sure those lights on the 2 photo eyes are lined up properly. Here is a link also Click Me If you cant get it to stay close there is a emergency cable that you can release to close the door until you can get it figured out. Lost of good info here as well. If this Info was useful please rate me and have a great day.

Jun 08, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Garage door closing


HAVE YOU ADJUSTED THE SENSITIVITY??

ALSO SPRAY THE SPRING WITH A LITTLE WD-40 SOMETIMES THEY BIND AS THE DOOR CLOSES.

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

1 Answer

Changed gear box in craftsman garage door opener


you did not give enough info. If it closes completely and right away goes up, if bulb blinking. if it is, something on door is blocking safety beam. If light is not blinking, DECREASE down travel.

Jan 15, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Garage door opener


This is cause when there is something blocking one of the sensors. Look on each side of your garage door near the concrete when the door is closed and you will see small sensors that are facing each other.. Make sure they are not misaligned and that nothing is in front of them.

Dec 04, 2008 | Chamberlain Powerdrive PD422D 1/2 HP...

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