Question about Chamberlain Powerdrive PD422D 1/2 HP Security Plus Screw Drive Garage Door Opener

1 Answer

When cold outside, door only opens a few inches

In extreme cold weather my Chamberlain 1/2hp screwdrive opener stops about 6 inches off the floor. You either have to help push it up, or press the opener (so the door goes down and back up) several times until it finally goes up.

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  • blair740 Dec 08, 2008

    I have the same problem with my whisper quiet opener . I have to put the door up and down about 5 times before it will go all the way up . The interesting thing is I have 2 openers and only one of them does it . The one that does this is lifting a 16' door , while the one that works ok is lifting a 9 ' door 


    Blair

  • umchenz Dec 14, 2008

    me too, can not open the garage, and it sucks I lost the key for the lock for my garage door. Have to call a locksmith, cost $70, :(

  • KenKre Dec 28, 2008

    I am having the same problem as well. It seems that as it gets colder the more stops it has. My brother has had the same problem with his Chamberlain.

  • Anonymous Jan 03, 2009

    I live in Nebraska and I recently bought an older home. The garage doors worked in warm weather and as soon as the weather turned colder, the doors won't open; forntunately, I can open one of the doors manually. Needless to say I am surprised that there are others with the same problem.

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  • 98 Answers

1.Check to see if the door is running correctly. 
  A. Run the door down and pull the emergency release. See if the door will run easily by itself. 

  1. If it runs hard by hand try lubricating the rollers and hinges with silicone spray or some form of lubricant (not WD 40) 

  2. If the door is heavy and falls back to the ground, you probably have a spring issue (either broken or needs more tension) in this case call a professional door repair company in your area.

  B. If the door runs fine then check the up force on your operator (the box that hangs from the ceiling and reads Craftsman). If the light(s) on your operator go from front and/or back, the force adjustment screw is on the back of the operator. If the lights are on the sides of the operator then the force adjustment screw is on the right side (looking from the back of the operator and facing the garage door). Turn the light blue adjustment screw with the up arrow to a higher number.

Posted on Jan 03, 2009

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1 Answer

The garage door opener gets stuck several times during opening since the weather turned cold in Nebraska. How can I adjust it?


DOES IT HAVE A BROKEN SPRING???

IF NOT YOU COULD TRY ADJUSTING THE UP OR OPEN SENSITIVITY ABOUT 1/8 TURN CLOCKWISE.

IF THIS DOESN'T SOLVE THE PROBLEM I WOULD CALL A SERVICE TECH. - YOU CAN CHASE A PROBLEM LIKE THAT FOR WEEKS WHEN A GOOD DOOR TECH CAN FOX IT IN 30 MIN.

HOPE THIS HELPS

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My chamberlain garage door opener opens misterously. how do I change the code?


Anytime a door opens and/or closes randomly or doesn't work consistently I look for a smashed wire between the motor unit and the wall button.


If the wire is smashed the insulation becomes so thin that power will leak thru the insulation and activate the door or interfere with the remote signal.


Loosen the staples with a small screwdriver and slide the wire about ½ inch to move any areas of thin insulation away from the staples.


The second thing would be a bad wall button or a remote with a sticking button.

Or a remote in someone

Nov 17, 2010 | Chamberlain Powerdrive PD422D 1/2 HP...

1 Answer

The garage door will go down to the floor and then stop and come back up on its own. also at times will only go down to remain open 3-4 inches


Sounds like you need to recalibrate the stop point. If its coming back up the sensors may be off alingment (make sure the lights green/amber are solid and not flickering) or the door may sense an object that isn there and reverse. You can google Chamberlain powerdrive door opener manual and dwnload it for programing instructions.

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When using the remote the door comes within 8 inches of the floor than opens again. I have adjusted everything and the security lights are on


If the main light flashes 10 times when the door reverses you have a door sensor problem. Make sure the lights on the sensors are not flickering. You have to look very closely to see this.

Dec 08, 2009 | Chamberlain Powerdrive PD422D 1/2 HP...

1 Answer

Opener only raises the door one foot.


IF THE DOOR IS BALANCED TRY ADJUSTING THE SENSITIVITY.
THE DRIVE SHOULD BE LUBED WITH WHITE LITHIUM OR GENIE LUBE 2 TIMES PER YEAR TO KEEP THE UNIT QUIETER AND PREVENT EXCESS WEAR.
IF YOU USE THE WRONG LUBE - GREASE ETC. THE UNIT WILL GET GUMMED UP AND WILL HAVE PROBLEMS IN COLD WEATHER.
ONCE YOU ADJUST THE SENSITIVITY YOU SHOULD BE OK.

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Replaced sprocket and worm gear on chamberlain 1/2 opener


The easiest way to fix this would be to take the chain off the sproket with the door and the trolley in the down position. Next hit the wall button and pay attn. to weather the gear is turning clockwise, you want it to turn that direction, wait until the unit stops by itself, next put the chain back on and now you should be able to adjust the limits. otherwise you should call a local professional. They will usually service your door as well as fix your opener.

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door will not close all the way. will go partway down then reverse itself.

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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

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