Question about Antec PP-303XP 300WATTS ATX12V ATX POWER SUPPLY (P4 OK) (pp303x) 300-Watt Power Supply

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Cooling fan for antec power supply pp 303xp does not come on when computer is switched on. Is this a replaceable item or do I have to buy a new power supply?

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I THINK I REMEMBER reading that Antec had introduced a feature on some of their psu s where essentially the fan(s) were thermally controlled - if the psu was not working very hard it remained cool and the fan remained off but as the psu got warm with additional load it gradually increased fan speed. Perhaps this the issue you are seeing and nothing is wrong ?
PSU's are generally difficult to open and contain few accessible parts. some you can actually change the fan. I don't know about yours though.

Posted on Dec 25, 2014

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Posted on Jan 02, 2017

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SOURCE: Antec PP-303XP died and is being replaced. This

The best thing I could find was something like this: http://www.cwc-group.com/20atxpoextca.html
This will work if your main power connector is a 20-pin connector. I'm not exactly sure what to do if your main power connector is a 24-pin connector.

Posted on Mar 04, 2011

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Don't forget to rate this solution with four stars before you log out.

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