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Old 07-24-2008, 05:27 PM   #1
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I have a chain drive door opener 10 years old used the remote door raised but now respond to remote or manually activate light comes on but opener does not respond this opener does not have electric eye control probally a Sears model .

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Old 07-25-2008, 10:10 AM   #2
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Inspect to see if your door is binding, wheel off of a track or for a broken lift assist spring.

Added: Be very careful, garage door springs have a considerable amount of stored energy and can cause serious injury. When in doubt, call in a specialist.

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What we've got here is... failure to communicate. Some men you just can't reach. So you get what we had here last week, which is the way he wants it... well, he gets it.

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Old 07-25-2008, 03:36 PM   #3
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Can you hear the motor running? I had one that the light would come on and nothing would happen. Turns out the plastic gears inside were stripped (Sears model).
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Old 07-25-2008, 05:53 PM   #4
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Or it could be a bad motor. Does the motor at least hum as if it's trying to start?

If you have an ammeter, checking the current draw and comparing it to the nameplate data would be helpful.
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Old 07-25-2008, 07:58 PM   #5
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The motor does not start only light comes on like the relay is not functing at all. thanks
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Old 07-25-2008, 09:11 PM   #6
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Does jarring the unit cause it to work again?

Turn off power, remove case, turn on power, try it. With the case removed, can you see the problem?

If there is a schematic pasted on the inside of the case can you post it?

You could take one or two guesses as to what parts might be bad and if the manu wants more money for just those parts than you want to spend on this, you're done.

With the Internet, finding OEM specs on an electrical part is easy. If the parts from the manu are too expensive but you can figure out the specs for the parts you need, it's likely you can get equivalent parts elsewhere for reasonable prices, like at Hosfelt.com or similar places.
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Old 07-26-2008, 08:14 AM   #7
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Have you tried disconnecting the door from the opener and tried opening/closing it manually? That will take the door issue out of the equation.
Once disconnected did you try running the opener?
If your not getting a click, hum or buzz from the motor then you have indeed a relay that isn't pulling in. Your probably gonna need a replacement circuit board. These are no longer available from the manufacturer. (You mention no electric eye. Pre '91 model) They couldn't sell them if they had um.
Many service guys might still but they take the risk of selling it and having a safety issue so my guess is nope!
Last option is try unpluging the motor and remove the cover. Your looking for anything unplugged or something short of a birds nest that has something shorted. Along those lines, before you plug it back in remove the 2 wires that are screwed into the front or back of the motor that go to the door bell button. If those are shorted anyplace it can cause a problem. Disconnect them and use the remote and see what happens.


I'd buy a diy opener and scrap what's there. For $125 and up you can easily justify that cost Vs a service call plus the cost of a new one.
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Old 07-26-2008, 05:19 PM   #8
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I think you have solved my delimia am going to replace it Thanks for all the help shamus newbie to my rescue.

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