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Old 12-08-2014
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HOTSHOT III HOTSHOT III is offline
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Join Date: Mar 2012
Location: Wimborne, Dorset
Posts: 710
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I have 3 of these chargers and ironically it's the newest one that makes a similar noise to yours.

It started doing it about a week after it was 1yr old so I couldn't send it back

I took the charger apart and cleaned it (they get full of dust) and squirted some GT85 in the fan and that seemed to cure it but after a while the noise came back, at which point I discovered that if you blow on the fan the noise goes away

If you want to replace the fan just go on ebay and purchase any 6V 30 x 30 x 10mm fan, I bought a couple for about £5 from China just in case:

http://www.ebay.com/itm/1x-Brushless...item2a10f42192
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