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

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Poor remote control range

Chamberlain model 9950 garage door problems. I have very low range on my remote and built in car remote in my Prius. I have replaced the control module in the opener and the problem is still there. I have turned of my wireless lan network in my house and the problem is still there. I can just barely open the door with the remove next to the metal sectional door closed. even with the door open, the range is only 15 feet. can you help please, before i buy a whole new system and still have the problem. Also , do you know the frequency that the remotes operate on??

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  • 70 Answers

Have you changed the battery inside the remote yet?

Posted on Apr 26, 2017

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Posted on Jan 02, 2017

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SOURCE: Garage door opener doesnt close the garage

I thought I had it but I tried this in cold weather the rubber drive belt will contract making the open think that it is binding or getting stuck so I think it is shutting itself down. I released some of the tension by loosing the nut adjacent to the tension spring. The door started working I will see if it works in the morning.

Posted on Dec 11, 2007

ctf1800
  • 4402 Answers

SOURCE: Remote

if it happens to both remotes and the built in system the problem has to be with the reciever in the unit or antenna, where you have this unit is it inside a metal building? if so you may need to move the antenna outside the building.
good luck
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Posted on Feb 20, 2008

  • 1 Answer

SOURCE: My garage door opener doesnt close all the way.

The motor is probably either stalling because the door is too stiff, or you have a beam break detector that is being triggered when the door is halfway down.

Posted on Nov 23, 2008

whirlwindsys
  • 18 Answers

SOURCE: 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

Posted on Feb 13, 2009

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1 Answer

I need the receiver and garage door control button for a NuTone Garage Door Opener Model GB575, GB580 & GB580-8


I think you will need to check into a Sears Model #00953751000 or Chamberlain Model #R39663 universal remote control replacement kit.

Apr 13, 2011 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

We bought 2 remotes both KLIK1U and successfully programed one. It works excellent. The second only works while either inside the garage or a few feet from the garage door (and that sometimes doesn't...


If one works OK, and the other has poor range, then it is either a battery problem (try swapping batteries with the good one) or it is faulty and needs to be returned to where you purchased it.

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We have poor range on opener button


Check to make sure your batteries are good. If you have short range on more than one remote you can check this out.

Limited range of your remote controls could be related to radio frequency interference that comes from something in your home or in the surrounding environment. Certain electrical devices can radiate interference; this could be almost anything that is plugged into an electrical outlet.


Please keep in mind that the device can be brand new, or can be an item that has been in use for quite a while. Also, the item may continue to function properly as far as you are able to tell. The only problem with the item may be that it has started to broadcast the interference, with no other symptoms noted.


Some devices are more likely to generate interference than others. This includes TV cable, cable amplifiers, surge protectors, fluorescent lights, battery charging devices (power tools, golf carts, etc.), anything that utilizes a timer (sprinkler systems, lights, alarm systems, etc.), and a myriad of others. If the problem seems sporadic, we can safely assume that the device responsible for the interference is only being operated during these times. Again, please keep in mind that the age of the device does not determine if it is capable of broadcasting unwanted interference. Any electrical device can be the source of the problem.


The first step is replacing the battery in your remote. If the range on your remote does not improve, remove the wall control wires from the overhead unit. If the range does not improve you will likely need to replace the remote control. After replacing the remote, or if you have other remotes programmed in to the opener, and the range problem still exists, please proceed to the Power Down test.


Multiple garage doors:
If you have two garage door units and one is working just fine, you will need to start by unplugging the good unit. This will help determine if the unit with no range starts to function properly. If the range comes back to the bad unit then you will need to replace the logic board on the unit that was unplugged as it is emitting an RF signal that is over powering the other garage door opener. If the range does not improve after the “good” unit has been unplugged, replace the batteries and try programming some additional remotes to determine if the existing remotes are the issue. If the extra remotes do not have any range then you would need to replace the receiver logic board in the “bad” unit.


Power Down test:
To isolate potential sources of interference, turn the circuit breaker off to the garage and plug the garage door opener into an extension cord from another room. If the range improves, then the interference is coming from a device in the garage. If no improvement is seen follow the same procedure, this time turning off the circuit breakers to your home, with the exception of the garage and test the remote controls. If improvement is noted, turn the circuit breakers back on, one by one, until the range problem resurfaces. This will allow you to narrow down what room the problem device is in. You will have to go from there to isolate it further, by unplugging and re-plugging the items in that room.


If you are unable to determine any source of interference, then the receiver logic board in the overhead unit will need to be replaced.



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

1 Answer

Need a new remote Nutone 580 Scoville garage door opener -- receiver is R597


You can find these on ebay or your local door shop. They also make a universal remote that can be programmed to the opener made by chamberlain called a clicker. You can get this at lowes or menards or at chamberlain.com. Thanks BB

Dec 24, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Craftsman Garage Door Opener Intermittent


Yes your receiver is bad and it is part of the logic board.

Jul 20, 2009 | Sears Craftsman LiftMaster Chamberlain...

3 Answers

Have chamberlain security plus 950cb lost instructions.


http://www.chamberlain-diy.com/doityourself/pdfdocs/114A2184.pdf
This web address came from the Chamberlain site. I also needed to relearn my remotes due to a newer car that has a built in garage door opener that needed to be set. I also needed to reset my keypad remote, those instructions I was able to get from the same site. Good Luck

Apr 05, 2009 | Chamberlain 950CB Remote Control

1 Answer

No instructions for reprogramming keyless remote


the chamberlain company is very nice go to sears and get number of side of box... sorry I cant remember off top of my head...

Apr 03, 2009 | Sears Craftsman LiftMaster Chamberlain...

4 Answers

2 different openers stopped working by remote at the same time


Both the older genie and a newer chamberlain (3-4 yrs old) both run on 390Mhz frequency. sounds like you will have to change your receivers on both operators (365LM 315Mhz) then get 3 button remote so you can program both doors on one remote.

Jan 01, 2009 | Sears Craftsman LiftMaster Chamberlain...

2 Answers

I CAN NOT PROGRAM MY BUILT IN CAR REMOTE ON MY NEW 139.53985DM


didnt try everything cause if you did, it would work! Get two people and garage door opener. One read manual from car under Garage door" or Homelink while other pushes button. When manual says if this did not work or if you have security plus or rolling code, continue with other instructions. You will need a working remote and will need to pushh learn button on motor logic board.

Dec 25, 2008 | Sears Craftsman LiftMaster Chamberlain...

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