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Garage Door Opener
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Posted by
mangophilly (
My Page) on
Fri, May 18, 12 at 14:56
I have a Craftsman 139.53660SRT1 garage door opener. I bought it used. The button on the wall will open it, but when I go to close it, it goes about a foot, then reverses back to fully open. I have the sensors facing each other, but no green lights.
1. Do I need sensors for this unit to work, it was made in '98. The bulb flashes 5 times after it reverses back. Help please.
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Follow-Up Postings:
RE: Garage Door Opener
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| You must have sensors and they must be working for this opener to operate. Make sure the sensors are connected correctly. Did you get the owners manual? I think you will find the bulb flashes 10 times when the door reverses. Check for 5vdc between terminals 2 and 3 on the rear of the motor unit. If there is no voltage or if it is greater than 6vdc the logic board is bad. |
RE: Garage Door Opener
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| Thank you Don! I believe the sensors are bad, as there is no green light, and you are correct, the bulb flashes 10x. |
RE: Garage Door Opener
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| Can I bypass those sensors? There are no children around. |
RE: Garage Door Opener
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| There is 6.54vdc across terminals 2 and 3. |
RE: Garage Door Opener
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| There is no way to bypass the sensors. With 6.54 volts I have to think the logic board is bad. You need to try to get your money back. If you bought a logic board you will have as much in that opener as a new one costs. |
RE: Garage Door Opener
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