Question about Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+
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Posted on Jan 02, 2017
Have you tried the manufacturers site at either craftsman or sears. You should be able to find it there. You will need your model #.
Posted on Aug 01, 2008
SOURCE: Garage door beeper
Call Sears and get user manual. It tells you how in the manual. Older models have dip switches and you set the unit to match the motor by turning the corresponding switches on or off. Hope this helps
Posted on Aug 24, 2008
When mine did this, it was because the nylon gears that drive the chain had stripped. My wife had to live without the opener for a week or more, but I was able to find a new gear kit online and replace the damaged gears. It wasn't difficult.
The other option is to buy a new opener.
Posted on Dec 07, 2008
SOURCE: Garage door jumps when opened.
Release the opener from the door and operate the door manually. You can also operate the opener and this should give you a good idea where the problem lies. I think you have a door problem.
Posted on May 08, 2009
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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.
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