Originally Posted by Bob Nilsen
Just so that people aren't throwing out their 2343s... mine is working fine with my QC2 and spektrum (latest software) and a 4700uf cap.

Bob is right. I did get the two boards (upper and lower) in my Spektrum replaced last week AFTER I had already switched back to the Airtronics servo. Don't know it the updated Spektrum would have cured it; but, I have no need to find out either.
Didn't have to throw it out...The very friendly hobby shop I got it from took it back with a full refund.
Otherwise, I like KO products...I have a Helios radio and love its ergonomics with the angled steering wheel for my Spectrum.
Bill