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

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Multi-Function Door Control

The outside keypad works, but the multi-function inside the garage doesn't. The light won't come on and I cann't operate the garage door from inside the garage.

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Take off the two wires on bad of button and touch together, If it works, buy new panel or doorbell button. If not, make a jumber with a paer-clip and touch W and R terminals. If that works, replace wiring to pushbutton. (Did it ever work? If not Red and White wires may be reversed)

Posted on Jan 15, 2009

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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
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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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Hello,Linda well this is your lucky day ,I have installed garage door openers for sears for 10 years and i can tell you that craftsman,chamberlain ,and liftmaster are all the same machine and manufactured under the liftmaster name , if you buy it from home depot it will be a chamberlain ,if you buy it at sears ,it will be a craftsman, and if you go to commercial building supplier it will be a liftmaster! now getting that out of the way even though they are all compatible ,there is one thing that stands in their way and that,s time ,For example if your chamberlain machine is 5 years old and you went to sears last week ,the chances of the frequency being the same are not good , most likely you have the wireless keypad , one way to test the sears keypad against the chamberlain machine is to locate the smart button on your machine ,this button allows for programming of remotes and keypads , to test and see exactly what im talking about take your remote and locate the smart button ,if you have three buttons on the remote press one of the buttons that are not being used on the remote ,above the smart button their will be a blinking light ,if you press your remote button you will notice the light go from a blink to a rapid flash , This is telling you that you are sending a signal for programming to the machine , well the keypad is exactly the same all you have to do is push the enter button on the keypad and have someone watch for the rapid blinking light ,if they are compatible the light will blink rapidly on the machine so all you have to do now is have someone press the smart button once on the machine your indicator light will now be a solid light you will have approx 60 seconds then to put a 4 digit code in the keypad and then press and hold down the enter button on the keypad , at this point you will notice the lightbulbs on the chamberlain machine to shut off and come back on this is to tell you that the machine accepted the code , after thats been done you can use your keypad , you can also find the owners manual to the chamberlain and follow the same instructions to programming the remote , they are identical in programing , if your keypad is not the same frequency you can also tell by looking at the frequency code on the backside of the keypad and also the chamberlain unit usually where the light bulb is will be its code

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If you have a keyless entry it will still open the door with the vacation lock on. I assume you tryed this or don't have a keyless entry. There is no other way to activate the operator. Sorry but you will have to make a way in.

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