Chane the settings to.
How to change frequency on craftsman garage door opener.
One was installed in 1999 one in about 2005 and the most recent in 2012.
I have a 1 2 hp sears craftsman garage door opener model 139 53970srt.
I read more.
I now have three garage doors with craftsman garage door openers on the same 70 x 30 building.
Your garage door is likely using a frequency clustered around the 2 4 ghz band that s been designated the ism band otherwise known as the industrial scientific and.
Open up the garage door opener you will find 3 4 micro small numbered switches.
The 1999 operates on a doorbe read more.
53970srt there are 2 dials on the back each one labeled 1 3 5 7 9.
Point your door opener remote toward the head receiver two feet or closer and press.
Then open up your remote there ll be matching switches in it too.
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.
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.
Its a craftsman model 139.
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.
Press and hold this button.