Return to the Garages/Workshops Forum | Post a Follow-Up

Craftsman 1/2 hp code reset problem

Posted by potsman (My Page) on
Sun, Sep 23, 07 at 11:03

Hello. I have recently bought a house and am having trouble with my GDO. It is a craftsman 1/2 hp model 139.18605sr. I have a user manual but it is in french and can not find a user manual for this model. My issue is that the opener opens and closes at will. The issue started as there was no remote left behind. I found a clicker universal unit that I got to work. Everything worked ok for a couple weeks. It appers now though that any code will work without programming. The liftmaster website says to press the yellow code reset button and 6 seconds later, the led will go out and all codes wll be erased. I press this button, however the led never goes out no matter how long I hold it. I have changed the dip switches in the remote plus altered the frequency of the remote and it still works. I had the vacation button engaged on the wall control, yet it still opened and closed on it's own. I disconnected the wall unit all together and still the same problem. I am thinking I am getting signals from other GDO's in the area, but I can not get rid of them. Any Advice?? Is the unit ready for the trash?

Follow-Up Postings:

RE: Craftsman 1/2 hp code reset problem

I would first remove the battery from the clicker and see if your random opening still occurs. If it does you most likely have a bad logic board.

RE: Craftsman 1/2 hp code reset problem

Thanks for the reply. tried what you said and removed the battery from the remote. I also have the wall switch disconnected and it opened again on its own. Guess I am going shopping for a new unit

 o Post a Follow-Up

Please Note: Only registered members are able to post messages to this forum.

    If you are a member, please log in.

    If you aren't yet a member, join now!

Return to the Garages/Workshops Forum

Information about Posting

  • You must be logged in to post a message. Once you are logged in, a posting window will appear at the bottom of the messages. If you are not a member, please register for an account.
  • Please review our Rules of Play before posting.
  • Posting is a two-step process. Once you have composed your message, you will be taken to the preview page. You will then have a chance to review your post, make changes and upload photos.
  • After posting your message, you may need to refresh the forum page in order to see it.
  • Before posting copyrighted material, please read about Copyright and Fair Use.
  • We have a strict no-advertising policy!
  • If you would like to practice posting or uploading photos, please visit our Test forum.
  • If you need assistance, please Contact Us and we will be happy to help.

Learn more about in-text links on this page here