I really don't have a solution yet, but like to mention another check you may perform.
When I found the door not closing and saw the green light on the sensor eye off, I warmed it up with a hair dryer for a few minutes and it worked. I did this several times without touching the sensors, so it is proven to me that my problem is cold temperature. Insulating the receiving eye to let its own self heating take care of the problem, but I have not tried it yet.
I think Chamberlain has a cr#### quality! They sell this product in Ottawa, Canada, where temperature may even go below -40C, and yet it stops working below -10C! I think the only reason I did not have this problem the first couple of years was warmer weather, it started doing this in 2007 or 2008.
1. Make sure lenses on both sending and receiving sensor units are clean. 2. Dismount the receiving sensor and bring it into the house to warm up. Then reinstall. If garage door works, then it's the cold weather. 3. After reinstalling the receiving sensor and ensuring that both the green lights on the sending and receiving sensor are green/on, then wrap the receiving sensor with felt or other insulating material. I did, and now the unit works fine.
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Here’s a problem I’ve run into several times lately- the garage door opener remote no longer works. The good news is the solution has been very simple. Check your wall control.
Is the led solid or flashing? If it’s flashing you’re in luck. The wall control should have two buttons, one with a light symbol and one with a lock symbol. Press and hold the lock button for a few seconds then release. The led on the wall control should now be solid and your remotes will now function.
What’s that button for, you ask? Good question. It is a “vacation mode” setting so that when you’re gone the remote function is disabled decreasing the likelihood of break-in.
Most times no one pays much attention to the lock button; they are usually going for the light button and press lock by mistake.
Now if the wall control led was solid the whole time, this gets a little trickier. Grab a ladder and take a look at the side of the garage door opener where the wire hangs down, that’s the remote antenna. Near the antenna will be the “learn button” where you program the remotes. Right next to this button is an led. Now we can test the remote by pressing the button (on the remote not the learn button) and see if the led on the garage door opener lights up.
If the led lights up but there is no reaction from the opener it may be that the opener just needs to be reprogrammed. Sometimes the garage door opener gets a “brain freeze” and loses sync with the remote. Press the learn button and quickly release it, you now have 30 seconds to program your remote. Press and hold the remote button until you get a reaction from the opener, either the lights will flash or you will hear a click. Try your remote now to see if it works. If you are still having trouble the garage door opener’s logic board (where the learn button is located) may be faulty. This would be a very costly repair unless you are savvy enough to replace it yourself.)
If the led on the opener did not light up you may have a bad battery in the remote, the remote itself is bad or again the logic board is defective.
To answer your question the opener is in vacation mode. Press and hold for 3 seconds the button on your wall control with the lock icon. The green light will stop flashing and you will be back in business.
You probably have the lock enguaged on the opener. On the wall control, there is a button labeled "lock". Press and hold for 3 seconds and then release. the light on the wall button should be solid now. Your remotes should work. If the light is solid and the remotes still do not work, press the learn button on the back of the opener motor and then press the button on the remote. The light on the motor will blink once. Repeat on the other two remotes.
Your lock on the opener is probably engauged. On the wall control there is a button labeled lock. Press and hold this button for three seconds. Your remotes should work now. If they still do not work, you need to reprogram the remotes. Press the learn button on the back of the motor and then press and hold the remote button. The light will blink once. Repeat this step on the other remotes.
Chance are they set there remote when you were using yours. To reset your opener you need to clear all the codes on the back of your opener itself there is a square button purple or red depends on how old it is. Press and hold that button until the LCD light turns off. Press your remote to make sure it has stopped working. Then press the button again only for a sec until the light comes on and starts to flash then press your remote button. Repeat for each remote.
a component in the wall unit is failing , that makes the conection happen when the remote signal is recieved , ( it is recieving the remote signal but not sending it out to the control circuit for the motor )