Press and hold this button.
How to change frequency on craftsman garage door opener.
Open up the garage door opener you will find 3 4 micro small numbered switches.
53970srt there are 2 dials on the back each one labeled 1 3 5 7 9.
I read more.
How to change the frequency for a garage door opener.
It works great except that the 75 watt lamp on the garage door opener does not come on when the door on the garage is opened.
I d like to change the garage door opener freq since they may have gotten in using an old remote but i m not sure how to do this and have no manual.
The 1999 operates on a doorbe read more.
Then open up your remote there ll be matching switches in it too.
One was installed in 1999 one in about 2005 and the most recent in 2012.
Point your door opener remote toward the head receiver two feet or closer and press.
I now have three garage doors with craftsman garage door openers on the same 70 x 30 building.
Its a craftsman model 139.
Look for a small black button behind the lens light of the head receiver on the door opener near the antenna.
I have a 1 2 hp sears craftsman garage door opener model 139 53970srt.
The purpose of this is to ensure that your garage door opener s frequency doesn t interfere with your neighbor s favorite radio station or the airplane flying overhead.