Double check it to make sure it is correct.
How to check frequency of garage door opener.
How to change the frequency for a garage door opener.
Align the 12 dip switches in exactly the same pattern as you have written on paper.
These dip pin settings would set the frequency the opener and remote operated on.
If you got the dip switch positioning correct the garage door motor will turn on.
We just bought a house with old garage door openers and the previous owners had long since lost their remotes.
Next you will need to shut power to the garage off with your circuit breaker.
First plug the garage door opener into an outlet in the house using an extension cord.
Snap the cover back on the back of the transmitter.
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.
Press and hold this button.
This was accomplished by sliding each of the nine dip pins into matching position on the opener and the remotes.
Look for a small black button behind the lens light of the head receiver on the door opener near the antenna.
Next you ll test the range on your remote controls to see if it improves.
Point your door opener remote toward the head receiver two feet or closer and press.
Test the operation of the garage door using the transmitter.