GDO problem it reverses on its own

jjuni01October 28, 2006

Hi I have a sears craftsman gdo 1/2 hp and about a week ago I replaced the gear because it was worn out but when I put everything back together the door only travels about 6 to 10 inches and reverses. Ive checked the springs there fine, Ive checked the sensors there both well lit, Ive also checked the kg down and up. I dont know what else to do, the light doesnt flash or anything the only light flashing is the little green one in the back next to the button that you program the remote. It flashes 5 times . Even trying to override the sensors by holding down the wall button wont work. Can anyone help?!

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When you replaced the gear did you remove the black plastic interruptor cup and forget to replace it? It needs to be slid all the way onto the motor shaft to work properly.

    Bookmark   October 30, 2006 at 2:04PM
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I had this problem--and the interruptor cup was indeed the culprit. Thanks.

    Bookmark   January 21, 2007 at 5:20PM
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