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Sears garage door opener 1/2 HP won't open

16 years ago

My garage door suddenly doesn't work anymore. It raises about 2 inches and stops. The LED light on the opener by the learn button flashes for 5 times , quits for about 5 seconds then blinks for 5 more times and this cycle will continue.The model number is 139.53662SRT2.Any ideas as to why this is happening.

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Comments (2)

tommyhockey
16 years ago
Im no mechanic but I have had a few problems over the years with garage doors. Firstly you need to release the door from the overhead track you should have a cord hanging down and by pulling this should disconect the door and allow you to manually lift the door. By doing this you will eliminate the posibility that there is something jamming the track or that it has for some reason jumped out of time. Try it up and down a few times be carefull coming down its heavy. You may also want to check that theres nothing breaking the lite on the way up like weather stripping. Hope these help
don_1_2006
16 years ago
Take off the cover and look at the white nylon drive gear just in front of the motor. Odds are it is stripped and needs to be replaced.
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My dad just experiance this issue on his garage door recently. You can get the new parts from Sears and replace the gear and sprocket. Average hand tools, (don't need a torch or a welder)lol to do this. The parts took about a week to get and total time replacing it was about an hour start to finish. Price for the parts was far more economical than replacing the unit. Be sure to unplug the unit before servicing and oil/grease the track the chain travels on as well as the door rollers and tracks. Good luck
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