Thank you very much, Stefan! Just last night the fan header #2 started beeping and would not stop. The knob no longer controls the fan's speed at all. It won't turn the fan on. I tried plugging the fan into different headers, and the fan still works fine. The heat related issue maybe got into the IC chip, since the device has been running quite hot for a while now.
All four fans in my case are Scythe Kaze Jyuni slipstreams. Three are 1900rpm, one is a 1200rpm model. I haven't split any headers to run mutliple fans or used more powerful fans. Typically I run them at about 1000-1200rpm. For intense cooling I increase them to 1500rpm for brief periods. The mofsets get extremely hot. While I was plugging in the fan#2 to another header last night, I almost burnt my hand holding the kaze master when my finger touched a mofset on the back side of the controller!
Thanks for your help. How soon can I expect a replacement or fixed unit?
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