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

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Chamberplain Garage Door Opener

Our garage door opener won't open the door the opener clicks and the light goes on but won't open I have an Craftsman Automatic Door Opener that was there when be bought the house in Dec. We have no manual with it and this is the problem that happened today. A phone repair man went out the garage through the basement and opened the door not knowing it was an automatic door and now our remotes will not open the door at all.
My son-in-law did not know he did that and he was opening and closing the door all day. What can we do to remedy this problem. We have no manual to go by.

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  • faith1242 Jan 25, 2009

    I just called the Chamberlain support line and it walked me through the process to reprogram the remote and key pad. However neither option worked. Their office is only open until 6pm central time on Saturday- so I must wait until Monday. Meanwhile we are using the other garage opener.

  • Anonymous May 21, 2015

    I would check online for a manual. People are bound to post those online. It sounds like there is a motor issue if everything else is working fine. I would just make sure that you get that checked by someone that know garages a little better. If you have to go manual for a while do it. I would just search online for help on the proble m.http://www.shankdoor.com/

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Check the switches mounted on the unit

Posted on Jan 23, 2009

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Craftsman 315 MHz 1/2 hp garage door opener - when it's open the light keep turning on when somebody passes by?


This behavior is a feature of the Security+ door openers. It can be disabled via the control console:

Lights will also turn on when
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Those are instructions from page 30 of the manual of a similar, if not the same, opener:
http://www.searspartsdirect.com/partsdirect/user-manuals/137707/13953985DM-Craftsman-Parts-GARAGE+DOOR+OPENER-manual?pathRender=fromManualTabPage

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