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

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Chamberlain 1/2 hp security + part # 41A5021-E

THE DOOR WILL OPEN ON ITS OWN LATER AFTER WE LEAVE. THERE IS A RED LITE BLINKING 6 TIMES.

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Record remotes as first step. disconnect wall pushbutton wiring to check for bad button or short in wire,

Posted on Jan 17, 2009

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The remotes opens the door when we leave. The remote will not close the door. Only the wall button will close-we have to hold it down until it is fully closed. Craftsman 1/2 horse 41A5021-3H


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 work you have a bad sensor.

Jan 01, 2011 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Chamberlain 1/2 hp security door opener


OWNERS MANUAL FOR ALL CHAMBERLAIN MODELS ARE AVAILABLE (FREE PDF) AT CHAMERLAIN.COM
CHECK TO SEE IF THE LED IN THE WALL BUTTON IS BLINKING - IF IT IS PRESS THE LOCK BUTTON AND IT WILL STOP THEN TRY TO PROGRAM YOUR REMOTES.

IF IT IS NOT BLINKING TRY UNPLUGGING THE UNIT FOR ABOUT 5 MINUTES - PLUG IT BACK IN AND TRY TO PROGRAM THE REMOTES

HOPE THIS HELPS

May 19, 2010 | Chamberlain Powerdrive PD422D 1/2 HP...

1 Answer

Access Master 1/3 HP garage door does not close, blinks


Most likely your door sensors are out of alignment. Make sure they are pointed directly at one another.

Apr 10, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

IChmberlain Garage door does not pen or close


The light flashing 5 times is the code for "RPM sensor or motor overload" and the 10 clicks sounds like the relay for the main light bulb that flashes when the door sensors are blocked or misaligned.

If you want an owners manual and have Adobe Reader you can go here and get one.

http://www.chamgerlain-diy.com/pdfdocs/A2490M.PDF

Oct 15, 2009 | Chamberlain Powerdrive PD422D 1/2 HP...

1 Answer

I have a Chamberlain garage door opener, Series CG40, 1/2 HP, #41A5021-1F. It opens just fine using the opener located on the wall. However, when I try to use the remote it does not work. I have installed...


Try programming this way. Hold the button down on your remote and then press and immediately release the smart/learn button. If this doesn't do it your remote may be bad. The wall control is hard wired and doesn't use the receiver that your remote does.

Oct 06, 2009 | Chamberlain Powerdrive PD422D 1/2 HP...

2 Answers

Programming remote, unit will not flash.


The easiest way to program is to hold the button on the remote while you press and immediately release the smart/learn button. If it worked before there is no reason for it not to work now unless it totally failed.

Oct 05, 2009 | Sears Craftsman LiftMaster Chamberlain...

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