While you are waiting for an expert answer i did manage to find a link that will provide you with more information about your problem.
Neighbor garage door opens mine.
It may cost more or equal to the price of a new one to put upgrades to alleviate this problem.
Each time you use your remote control it seeds your receiver with new coding for the next operation.
If this does not fix the situation then you may need to replace the garage door opener or the circuit board to get to a different frequency.
Louis all had their garage door openers go haywire since christmas.
Because two different garage doors can accidentally be programmed to the same channel your neighbors may be causing your garage door to open on its own.
If the frequency is the problem you re lucky you have an easy fix.
Codes aren t erased and both my remotes can still work.
This is actually pretty important because your neighbor could accidentally leave your garage door open leaving you vulnerable to theft or worse make sure to lock the door from the garage to your house.
Your neighbor s receiver happens to randomly operate whenever your unit s coding matches your neighbor s much broader coding range.
So one working the other is very strange statistically speaking.
When your neighbor uses their remote to open or close their door it may cause yours to open too.
Having your garage door open with the remote of your neighbors sounds dangerous since your door can randomly open or close out of nowhere.
Every garage door opener ever built has means to reprogram it to avoid this issue.
Five neighbors on one cul de sac outside of st.
Same with your neighbor.
And bingo your remote opens your neighbor s garage door along with your garage door.
I hope my link is useful.
This morning it happened again when my neighbor opens his garage door it opens mine again.
Electric garage doors make our everyday lives easier.
However with my garage door model no matter how long i hold it 6 seconds 15 seconds or even 1 min the led light stays on.
You probably have a very old opener that uses dip switches a row of tiny numbered switches to set the code.
Any reasonable competent person.
It looks like wireless interference is to blame and the effected families have.
Last shot offer to buy neighbor a shinny new remote with a fresh battery for his opener in exchange for his current remote.
You need to obtain a manual for your opener and for your neighbor s opener.
Just reprogram your garage door s openers and it should be back to working order.
The security features are codes that work on the 315mhz frequency.