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

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Garage door will not close entirely

I am installing a new chamerlain garage door opener. Every thing seems to be installed correctly according to instructions. My problem is.... the garage door stops approx 1-2 inches from the garage floor and then it opens up all the way and when is stops the lights click 10-11 times. Went over all the wiring and sensory lights,all seems to be working properly, in a reall stump, please advise.

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

Posted on Oct 28, 2008

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Posted on Jan 02, 2017

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I installed a new garage door opener in Sept, all was good until my neighbor installed a new on 1 week ago-now my garage door is opened when i get up, can i reprogram my unit?


Hi Diane.... yes. Newer garage door openers don't have changeable codes inside the unit or transmitters. You use the learn button to erase all the memory & to program transmitters into the unit. Each transmitter has a unique signal permanently set at the factory.
If you have had your garage door opener for a few years, you have to make a change on the back of the motor unit up by the ceiling and in the remote[s] by changing one or more tiny switches, called dip switches. Open up the remote and and take a look. If you have the dip switches, a series of tiny rocker switches that can rock one way or the other, then just change one or more of them to the opposite side and do the same with the set of dip switches on the back of the motor in the garage that moves the door.

If you have a newer system, one with no dip switches, you will just erase the memory and reprogram it with a new memory. To do that:

Programming Steps: 1) Locate the smart button on the motor head which is directly under the screw terminals where the push button and photo-cell wires connect to the unit and above the antenna wire. You may have to remove a lens or light cover to gain access to the learn button. 2) Push the smart button momentarily (Holding the smart button until the L.E.D. light beside the button goes out will erase all transmitter and keyless entries that are programmed into the unit) and verify the
L.E.D. light next to the button is lit solid. 3) Push the transmitter button that you want to use for that door within thirty seconds and before the
L.E.D. goes out. The L.E.D. will flash once and the transmitter will operate the door the next time the button is pushed. 4) If you have more than one door and a multi-button transmitter repeat steps 2-3 above for each door by using a different transmitter button for each unit. (Using the same button for more then one door at the same location will cause all the doors using that button to open and close at the same time and is not recommended.) The openers normally come with a single or a 3-button transmitter but 2-button and
4-button transmitters are also available as an option. 5) Repeat steps 2-3 above if you have more than one transmitter to program into your garage door opener.


Joe

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Jan 12, 2011 | Chamberlain Powerdrive PD422D 1/2 HP...

1 Answer

Garage door won't open or close using remote (light on lifter flashes twice) but will open and close using the button inside the garage.



WHEN HOLDING IT DOWN MAKES THE DOOR CLOSE PROPERLY THE PROBLEM IS IN THE SAFETY EYES.


ARE BOTH LEDS ON? - CHECK FOR A LOOSE OR BROKEN WIRE.

ARE THE EYES WIRED CORRECTLY?

ARE THEY AIMED AT EACH HOLDING DOWN THE WALL BUTTON OVERRIDES THE SAFETY EYES.

OTHER?

Oct 10, 2010 | Chamberlain Powerdrive PD422D 1/2 HP...

1 Answer

Garage door won't close...when putting in the 4 digit code the door closes about 6-8 inches and then opens up again


COULD BE THE SAFETY EYES OR THE RPM SENSOR.

IF HOLDING DOWN THE WALL BUTTON ALLOWS IT TO CLOSE NORMALLY THEN IT WOULD BE IN THE SAFETY EYES.
IF NOT CHECK TO SEE IF THE RPM SENSOR IS IN THE CORRECT POSITION ON THE MOTOR SHAFT.
IF YOU NEED FURTHER DIAGNOSTICS GOTO LIFTMASTER.COM AND SOWNLOAD A FREE PDF FILE OF THE OWNERS MANUAL.

HOPE THIS HELPS

Jun 21, 2010 | Chamberlain Powerdrive PD422D 1/2 HP...

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...

2 Answers

I have problem, with my door garage. it desn't


IF THE DOOR OPENS WITH YOUR REMOTE BUT DOESN'T CLOSE (AND WORKS NORMALLY FROM THE WALL BUTTON) THE PROBLEM IS IN THE SAFETY EYES - CHECK TO SEE THAT BOTH LED'S ARE LIT.

IF NOT CHECK WIRING POLARITY - CHECK FOR BROKEN WIRES - CHECK FOR ALIGNMENT AGAIN.

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

1 Answer

Installed new PD432D opener from Home Depot. Inadvertently ran motor before connecting rail and screw drive. After connecting, I cannot get upper limit adjustment to bring rack all the way to full open...


You have to set the limit adjustments to the factory settings and then make sure the trolley placement is in the up position and install from there. You can't do this by simply adjusting the limits. This might be a case when you hire an installer. 100.00 dollars should do it, depending on the market. Thanks BB

Jun 07, 2009 | Chamberlain Powerdrive PD422D 1/2 HP...

2 Answers

Chamberlain Whisper garage door system that only closes 3/4...


One sensor should always be yellow, the other should be SOLID green.
If the lights are not consistently SOLID, you have a sensor issue.
TEST: If the door closes completely by pressing and holding down the wall pad button, you have a sensor problem.

Check to make sure the are aimed properly at each other.
Check the wire at the sensor and more importantly at the machine (If the wires are loose at the machine (terminals) it can cause this problem. Remember the machine does shake a lot.
If the wires are good, the sensors are aimed correctly, you have a sensor issue and need to loacte a replacement set.

Feb 17, 2009 | Chamberlain Powerdrive PD422D 1/2 HP...

2 Answers

Chamberlain Garage Door Opener will not close door


The problem is with the safety eyes. Make sure that both eyes are lit. If not, align them making sure that they are pointing directly at each other. Also, if you adjusted the force setting make sure that it is not turned up past 5 or it can be dangerous.

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

1 Answer

The garage door works when it wants to.


You have a problem with the safety eyes. Make sure a light is on on both eyes. If not, realign until both lights come on.

Jan 21, 2009 | Chamberlain Powerdrive PD422D 1/2 HP...

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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