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
Found several threads on computer enthusiast forums with similar issue with noisy fans. It occurs when the fans are used with case fan controllers-and operated at low speed-with humming and clicking. Some have reported success by trying other fans (or controllers). Since these fans are cheap and the front fan is easy to swap out, I've ordered a couple more to try of different mfg. The rear fan depends on any success with front fan as it requires quite a bit more disassembly.
