Fan buzz progressive dynamics 4645-
I've installed two of these converters (orig and replacement). Both exhibit buzzing variable speed fans. 1. Nothing wrong with the fans themselves-when they operate, they're quiet. 2. Occurs wh...
Forum Discussion
I've wondered if a different fan may not buzz. I also have the Sunon fans. My WFCO 8955 that I took out has an NSTECH fan. I never did hear it buzz. I just did a search for that fan and the only results were web sites with a bunch of Chinese characters. Plus it has a different size connector on it so I can't do a direct replacement to give it a try.
