Question about Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+

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Instructions for light cover removal

Garage door opener with key pad number 139.53776

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There are two plastic divets on the cover you can get a flat head screw driver. Depending on the age it may be brittle. Thanks BB

Posted on Sep 03, 2010

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We have a craftsman garage door opener. Recently all remotes including the key pad began working inconsistently. Even the hard wired button on the wall is finicky. The door will open a little and then...


First thing I would do is remove the cover from the motor unit and check the drive gear. It is a white nylon gear just in front of the motor. It will be very obvious if it is going bad. The part number is 41A2817 and is available from Sears or any good door opener service company. It will come with instructions.

Aug 16, 2011 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Door does not open or close when using the remote. It closes only when pressing the hard wired square white touch pad. Behind the opaque white touch pad, one can see a flashing/blinking green light.


Using a step stool, reach up and remove the covers (the white covers pop off). The instructions will be labeled on the back plate for setting your remote control's security code Make sure the remote has a battery installed and is compatible with your garage door opener. Or go to the LiftMaster web site and down load its operators manual.
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Jul 27, 2011 | liftmaster Garage Door 1/2 Hp

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Batteries need changing in the garage door remote control. It requires the code to be reset but the previous owners of the house left no information. It is a Wayne Dalton, Magic Touch, Model Number...


Using a step stool reah up and remove the plastic light cover from the garage door opener and the the code setting instructions are written on its panel. Or seach on LiftMaster.com for help.

Jul 26, 2011 | liftmaster Remote Light Control Garage...

1 Answer

Garage door went up about 6 inches and stopped. Door can be raised and lowered by hand without without disengageing it. Inside garage control only produces a clicking sound in motor area when pressing pad....


Remove the cover and check the drive gear. It is white nylon and is just in front of the motor. Most likely stripped. The part number is 41A2817 and is available at any good door service company. It comes with instructions but you must be a DIY'er.

Oct 06, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

OLD garage door opener


Sounds like you have the keypad that is hardwired.

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 into the keypad. Slide the switch back to operate and plug the garage door opener back in. The keypad should be programmed.

These instructions may not work if the keypad is some other manufacturers.

Aug 23, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Do not know what the security code is on the key pad? How do I change it if I dont know the current number?


Your motor unit should have a learn button on it. Once you find this, follow the instructions below:

1-Press learn button on motor
2-Within 30 secs, enter a new 4 digit pin on key pad. Press and hold enter button.
3-Release enter button when lights blink on the motor unit.

Mar 07, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Garage door opener key pad not working


so i spent the better part of this morning trying to figure this same thing out... here's what I found.

You need to identify the serial number, which is found on the unit hanging from the ceiling... it will be like a 13953970. I found mine behind the lamp light protector thing. NOT the back with the stickers. 41A5021 is actually not the number that is important.

then go to www.managemyhome.com its a website ran by sears. you have to register, for free. then go look for manuals, in one of the tabs running across the top of the site is a choice for manuals. then search by Craftsman then enter the serial number.

then pull up the owners manual and check out the instructions.

** i found out that the old house i bought did not actually have the same keypad opener as came with the craftsman. so i had to closely inspect all sides of the internal keypad opener (not the one outside) and find another serial number. then i went and got the manual from www.managemyhome.com and realized i needed to add a new 9-V battery before I could proceed. So now i'm heading out to walmart to get that.

after a frusterating morning of service number and internet searches I hope after I get this damned battery the clouds will part and god will shine some luck on me.

goodluck to yourself!

Sep 07, 2008 | Sears Craftsman LiftMaster Chamberlain...

3 Answers

Changing PIN on Key Pad


can you please provide the exact model number of your Security device...

Thanks

Jul 16, 2008 | Sears Craftsman LiftMaster Chamberlain...

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