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

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I hae a Chamberlain Whisper Garage Door Closer. When I press the button to close the garage door the light flashes and I have to go to the wall control and shut it that way. Why is it doing this? Also, How do I repregram the numeric pad?

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Saety beams blocked or out of alignment.

Posted on Jan 15, 2009

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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?

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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

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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.

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What has happened is that you electric eyes are blocked or have gone out. The eyes are at the garage door about a foot of the ground on both sides. There should be a red or green light on one of them. If not some thing is blocking the beam that goes across the door. It is a safety beam so kids can nt get hurt when the door is coming down. If the beam is broke the door will go back up.

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1 Answer

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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.

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You wall control is in lock mode sounds like press and hold the lock button for 3 to 4 seconds that should take care of that problem.

Alleejr your problem is not the same and ill need little more info. Where is the red light on your wall control? If its on the way up its not your sensors at all. Is your spring broke?

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read manual, if you have, on trolley engagement

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