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

1 Answer

Door won't go down

The "eye" is clear and nothing in the way but the door won't close. Any suggestions?

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  • bpdp Nov 10, 2007

    the door will raise but will not go down without holding the remote button down continously

  • Anonymous Nov 29, 2007

    Door won't go down unless keeping the remove control pushed down

  • Anonymous Mar 03, 2008

    I have the whisper drive, no obstruction door goes won't go down lights flicker.

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  • 91 Answers

Yes ,your path may be clear and you might have two indicator lights lit,but remember that theese sensors are called a sender and a reciever,the sender send,s a signal to the reciever to let it know that alls clear and their are no obsructions , but i can tell you from experience that if your sensor has the slightest fliker it will not allow the door to come down as a safety feature that was incorporated in all machines by law from 13 years ago, First thing you want to do is find out which sensor is the reciever and this is very easy ,Just put your hand in front of one of the camera,s ....The one sensor that,s light goes out is the receiver, Thats because it is not receiving a signal ! Now I want you to make shure it is straight in it,s holder,aiming directly accross from the other sensor! Next go to the sender ,This beam is the crucial one and must be directly pointed at the reciever, notice the light on the sensor it is always solid and will not go out ,Next i want you to go back to the reciever and loosen up the wingnut that holds the sensor in the bracket , as you move the sensor up to down and left to right notice the light on the receiver become dim and bright and flicker as you move it from the direct path of the sender , this is exactly what i want you to adjust to it,s brightest light possible , after you have tightened it back up go over to the wallpad or doorbell that operates the door and see if your problem has now dissapeared , Thank you for letting me try to help you and hopefully we fixed together Sincerely Glenn Mayer

Posted on Mar 05, 2009

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Look at the setting for "fully closed". it sounds like yours is set for slightly than the actual opening....So, the door reaches that location, and it thinks it hit an obstruction, which causes the door to open....While you are there, reset the sensitivity settings.

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SOUNDS LIKE YOUR SAFETY EYES MAY BE OUT OF ALIGNMENT OR A BAD CONNECTION.

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


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TRY THE DOOR MANUALLY AND RUN THE OPENER DISCONNECTED FROM THE DOOR(WITH DOOR IN CLOSED POSITION).

THIS SHOULD ISOLATE THE PROBLEM (ACTUAL DOOR PROBLEM OR OPERATOR PROBLEM).

HOLDING DOWN THE WALL BUTTON OVERRIDES THE SAFETY EYES.
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ARE BOTH LEDS ON? - CHECK FOR A LOOSE OR BROKEN WIRE.
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IF THE DOOR STOPS/REVERSES (WITH DOOR CONNECTED) WHILE HOLDING DOWN THE WALL BUTTON TO CLOSE YOU NEED TO CHECK THE SENSITIVITY ADJUSTMENT.

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HOLDING DOWN THE WALL BUTTON OVERRIDES THE SAFETY EYES.
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