Craftsman Garage Door opener not working

andrew_2008March 24, 2008

I just completed replacement of worn gears on my 1/2 craftsman GDO. In reassembly I accidentally nipped the blue wire running from the motor capacitor to the logic board (shorted to chassis). After the resulting darkness, and after blue wire repair, the motor will run in a ccw direction only until it reaches the upper stop bolt or upper limit switch. Any suggestions on why this happens (with or without the chain connected)? Also I am now doubting my wiring possibly on the motor capacitor. Does anybody have the proper wire-pin configuration?

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See your post in Home Repair.

    Bookmark   March 24, 2008 at 4:18PM
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I have just completed a worm gear replacement on a craftsman 1/2 hp GDO. After assembly the door will only travel a short distance before going right back to its starting point (with chain on or off). I have adjusted everything on the opener but still have the same result.
Would the RPM sensor have anything to do with this? Safety sensors on the door are working properly as well.

    Bookmark   March 25, 2008 at 2:03PM
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