On Thu, 22 Mar 2007 20:00:50 -0400, "Dimitrios Paskoudniakis"
wrote:

A contractor just installed a new Sears opener yesterday, and I just noticed
a persistent low volume buzzing sound coming from the unit. This is one of
three I have. The other two and the old one have never done this. Any
ideas?

Your limits may not be set right. jesse