回复：怎么证明the opener 的circuit is not also Too old.

First, we don't need to confrim/verify everything in this world.  You have many more important things to spend time on in your life;

Second, a new one will work and the one LZ has is not working anymore.  The most likely reason the old one is not working is because it's too old and the electronic parts aged over time.  For $20 you solved problem and you don't want to spend time trying to figure out everything.  Even after you solved the mistery, if you can, it's highly likely that my guess is right and it does not make any difference in terms of outcomes - replacing the remote.  Also, my guess is based on my experience;

Third, if you think you can get onto moon by yourself, I believe you aslo. 

所有跟帖： 

• 请熄怒,不是有心跟你抬杠,我一熟人的door opener有LZ一样的问题, -我胡说八道- ♂ (342 bytes) () 07/20/2011 postreply 06:44:50

• 回复：Thanks! -Yangtze430030- ♂ (797 bytes) () 07/20/2011 postreply 11:16:32