GWKP/ACSD1G WIreless keypad entry will not program

https://www.google.co.uk/webhp?sourceid=chrome-instant&rlz=1C1CHBD_en-GBGB719GB719&ion=1&espv=2&ie=UTF-8#q=model+ACSD1G+LOST+MANUAL ..not sure if this link will help you out

What is the model number?

Your photoeye safety sensors are not aligned or have a problem. If you hold the wall control the entire time the door is closing, it should work. Check to make sure you sensors at the bottom of the track are aligned

Yes it sounds like you got the wrong keypad for your model opener.

No. These components are not compatible between different manufacturers. You can get a universal keypad that will work with the liftmaster opener though.

Good Luck!

Most of the time, keypads and remotes are not compatible with other manufacturers. You would be better off getting a universal keypad, which should work. Double check the older opener to make sure it is on the list of compatible devices.

Also, make sure you check the balance of your garage door periodically to make sure your springs are counter-balancing the garage door properly. If not, the lifespan of the garage door opener will be substantially shortened. Click here for a how-to video.

Sounds like you have a hardwired keypad. If so:

To program the keypad, first unplug the garage door opener from the electrical outlet. Next, remove the nameplate from the console that the keypad plugs into and locate the program/operate switch. Flip the switch to program. Next, enter your desired four-digit PIN number into the keypad. Slide the switch back to operate and plug the garage door opener back in. The keypad should be programmed.

You cannot use 2 keypads on one opener.

If you can program your remotes but when you program your keypad the remotes quit working and vice versa you have either the wrong keypad or it has reverted to an earlier technology. Make sure the keypad is for your specific model door opener.

Yes, you purchased the wrong wireless. You must get a Genie keyless and there are two types of Genie keyless (GWKP & GWK-BL) depending on which Genie operator you have. You might think about a wired keyless entry (Domino GD-1). Then if you change your operator you don't have to change your keyless.