Manage My Life

NO Garage door sensor lights

by Manage My Life Last activity date:
March 26th, 2011

I have a Craftsman 1/2 HP garage door opener with two remotes and one key pad entry. The model number is 139.53914D. The remotes will open the garage door but not close it. The sensor lights are no longer on and I believe this is causing my problem. I just replaced both of the sensors and wired them correctly. I still do not have any lights on the sensors and it did not solve the problem. I have continuity on both wires from the receiving yellow sensor back to the opener. I have continuity on the solid white wire from the green sensor back to the opener. I do not on the red one. I am assuming because it goes back to the wall controller. I have zero volts to the green sensor. I do get some voltage at the opener at the connections for that sensor.

What is the problem with no power to the green main sensor?

Tags:
Craftsman , Garage Door Openers
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Answers (2)
Joseph Perez
I understand your concern toward wanting to make sure that your garage door opener will close all of the way so that you can keep your car and things safe. While you are waiting for an expert answer, I did manage to find three links that will provide you with some good troubleshooting tips and I am attaching the links below. I hope my links are useful.
Answered in 8 minutes
by Joseph Perez
March 26th, 2011
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