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I have a garage door opener that when closing it will reverse and go up multiple times. the key pad will only work when i hold the enter button down the whole time. when it reverses lights flash on and off. the main control in the garage has a green light that blinks constantly. it is a craftsmen model 53975 fron 2002. i cannot find my manual and do not know what to do to fix this problem. please help!!

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  • georgep104 May 13, 2010

    The solution Silverdragon gave me did not solve the problem, but, the manual he provided gave me an idea on what to check. Overall very helpful. Thank you!!



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Ok, I have seen similar problems many many times before, now this is happening due to the fact that the transmitter, is "Stuttering" IE: It is sending out, erroneous codes, now this can happen, due to the key pad being dirty, or faulty, the IC itself going faulty, (Common) or on odd occasions the receiver goes faulty there is a fix below, to see if that's it... otherwise use the ,manuals below, also below is a Forum, others have had similar problems with these units, it appears they fault frequently.
Here is a manual below... Now if that particular manual isn't the exact one, this website below, has many, many more models, go there and see if your is there.
Forum below.
Most often it is a bad wall control. You can remove the control from the wall and then remove the two wires from the back. Remember which wire goes where. You should try this for awhile to see if it has eliminated your problem. If it hasn't then remove those same two wires from the opener. They go to terminals 1 and 2 and once again remember which went where. One of them should have a small red line called a tracer. Occasionally the normal movement of the opener will cause a staple to cut through the wire insulation and cause a problem like this. You won't get shocked as the voltage is much to low.

Posted on May 11, 2010

  • georgep104 May 13, 2010

    I fixed it. It was the safety eyes. They were not aligned properly. My kids probably crashed one of their toys into it and knockedit off balance. Thank you for your help!



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