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my garage door opener has lost range on the remote, even with new batteries

craftsman garage door opener: model n. 139.53985D. About 2 years old. Worked great till this week

Does not open from the car in front of door out side. Get out of the car, nothing. Get close to the door and door frame, will work.

Once the door is open, it will close from outside, but not in the car.

I changed the batteries in both remote. I reprogrammed them both, same thing.

It seems like the logic board has weakened, and can only respond from close range inside the garage. I is responding OK from the wired control button inside the garage

I am considering an: Ant ex kit part no:41A3504, but can not find a schematic of installation anywhere. Or does it need a new logic board...???

Would you be able to help..????

Kindly.

Andre.

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3 Answers from these members:
Manage My Life
I know that it is very frustrating to have issues with your garage door opener. First be sure the issue is not with the range of the remotes being reduced by some form of interference.

Look for the LED on the opener to flash when you push a remote button. If there is no flash then the opener might not be receiving a signal from the remote at all.

That could simply be due to a low battery in the remote but since both remotes start doing it at the same time it is more likely to be interference. If you move the remote closer to the opener and it suddenly works again the issue is most likely some interference. The wall control is connected directly via a wire so signal interference would not affect it.

This includes cordless phones, other remotes, etc. If interference is not the issue then your opener is losing the code memory for some reason. That might be a failing logic board but it could also indicate an intermittent power connection to the opener. A bad plug-in or wiring issue could be cutting or even surging power to the opener and that can be enough to clear the memory on the opener and require the remotes to be reprogrammed again.

In that case, the LED on the opener would still flash to indicate it received a signal from the remote but the door would not react because the opener would not recognize the code it received as match one in its memory. Again, the wall unit would not be affected since it is wired direct and requires no code matching to operate.

If you need further assistance, please reply to this thread. Thank you for using Manage My Life.
by Manage My Life
January 23rd, 2012
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