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johncan30

Craftsman GDO 139.18873

18 years ago

I have just successfully completed the installation of a drive/worm gear kit. The info in your forum helped with some minor problems,thanks. On retesting the safety items and adjusting the up and down force the manual suggested that I run the door through 3 or 4 cycles. I did this and the door stopped operating in mid cycle on the 4th run through. A green led on the back panel of the unit flashes 5 times with a 3 second pause. After about 30 minutes the unit recommenced working but the 5 flash signal continues. I have not run the door except to open and close once since then. What does the 5 flash signal mean and do I have a serious problem? Any help will be appreciated.

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