PowerSupply Fan

  • Thread starter Thread starter John Kunkel
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John Kunkel

I just assembled a new PC and the cooling fan in the 300W power supply
doesn't run, the case fan and the CPU fan run.
Before I run out and get another power supply is there anything besides a
faulty power supply that would prevent the fan from running? Mainboard is a
Pentium 4.

There is one connector coming from the power supply that is different from
the normal power leads, it's labeled F14 but I see no terminals on the main
board or elsewhere that are configured for it.
 
I just assembled a new PC and the cooling fan in the 300W power supply
doesn't run, the case fan and the CPU fan run.
Before I run out and get another power supply is there anything besides a
faulty power supply that would prevent the fan from running? Mainboard is a
Pentium 4.

There is one connector coming from the power supply that is different from
the normal power leads, it's labeled F14 but I see no terminals on the main
board or elsewhere that are configured for it.
Click to expand...


How is F14 conector different? Describe it's size and pin
configuration.

Generally a power supply's fan is not controlled by anything
external, it is "self sufficient" in fan control. I suspect
the fan wasn't plugged in when it was manufactured, or some
other similar defect. If the PSU isn't
returnable-for-refund, or if there isn't a tamper-resistant
sticker on the side, you might open it and see if the fan
is plugged in (after leaving disconnected from AC for a few
minutes).

If you use a straw or similar can you freely rotate the fan
blades?
 
I just assembled a new PC and the cooling fan in the 300W power supply
doesn't run, the case fan and the CPU fan run.
Before I run out and get another power supply is there anything besides a
faulty power supply that would prevent the fan from running? Mainboard is a
Pentium 4.
Click to expand...

Watch it closely when you first turn it on. See if the fan turns for
a second or so...then quits.

Who made the PSU? Did you go to their web site and investigate?


Have a nice one...

Trent©

Budweiser: Helping ugly people have sex since 1876!
 
I was walking down the street, minding my own business, when on Sat,
I just assembled a new PC and the cooling fan in the 300W power supply
doesn't run, the case fan and the CPU fan run.
Before I run out and get another power supply is there anything besides a
faulty power supply that would prevent the fan from running? Mainboard is a
Pentium 4.

There is one connector coming from the power supply that is different from
the normal power leads, it's labeled F14 but I see no terminals on the main
board or elsewhere that are configured for it.
Click to expand...

The fan is connected to the PS inside the unit. None of this is
servicable. New 350 watt PSs are as cheap as $20, Go get one.
 
The fan is connected to the PS inside the unit. None of this is
servicable.
Click to expand...

New 350 watt PSs are as cheap as $20, Go get one.

Anything decent, reliable and of any quality is well over $20. Closer
to $50.
 
I was walking down the street, minding my own business, when on Sat,


The fan is connected to the PS inside the unit. None of this is
servicable. New 350 watt PSs are as cheap as $20, Go get one.
Click to expand...

Untrue, an unplugged fan is quite serviceable to anyone with
a phillips screwdriver to open the PSU (after disconnecting
AC of course). If the fan were hard-wired, it is
serviceable with a soldering iron, or merely unplugging that
fan, and screwing in a different one. There are a lot of
parts somewhat more difficult to service in a power supply
but anyone with the (screwdriver or soldering iron) who's
familiar in using it should be able to handle a fan problem.

On the other hand IF the PSU is under warranty, it might be
good to reassess the options since it might be junk PSU with
no quality control, then the best course could be to try for
refund.... something much harder to do after a
tamper-resistant PSU case seal is broken, if noticed.
 
IDIDIT wrote:

Anything decent, reliable and of any quality is
well over $20. Closer to $50.
Click to expand...

www.newegg.com sells high quality Fortron-Source (Sparkle, Hi-Q,
PowerQ, Aopen, Powerman, Trend) 300-350W PSUs for just $20-40, and some
Pricewatch.com dealers have them for as little as $15.

The most I've paid for a PSU in the past 2-3 years was $25, and that
was a 300W Antec with a case (a week ago it was $15). My 350W Antec
was $15. I've never bought a junk PSU, except for a 300W
Soyo/MaxPower/Key Mouse included in a free-after-rebate case.
 
IDIDIT wrote:




www.newegg.com sells high quality Fortron-Source (Sparkle, Hi-Q,
PowerQ, Aopen, Powerman, Trend) 300-350W PSUs for just $20-40, and some
Pricewatch.com dealers have them for as little as $15.

The most I've paid for a PSU in the past 2-3 years was $25, and that
was a 300W Antec with a case (a week ago it was $15). My 350W Antec
was $15. I've never bought a junk PSU, except for a 300W
Soyo/MaxPower/Key Mouse included in a free-after-rebate case.
Click to expand...

The term "high Quality" is used quite loosly in this country. Lets not
forget a PS is like a foundation of a building. Looking at the
concrete with twice as much sand as a more expensive batch might LOOK
the same but I wouldn't want my building on it.
I'm a cheap SOB but knowing from past work experiance the need of good
juice in a box I've got over $100 in a PS that's been running without
a burp for over 2 years. I don't like agrivation if I can avoid it.
The expression "BUY CHEAP, GET CHEAP" is great for those "high
quality" units.
 
IDIDIT said:
On 11 Jan 2005 15:50:42 -0800, "larry moe 'n curly"
<[email protected]> wrote:
Click to expand...
Anything decent, reliable and of any quality is
well over $20. Closer to $50.
Click to expand...
The term "high Quality" is used quite loosly in this country. Lets not
forget a PS is like a foundation of a building. Looking at the
concrete with twice as much sand as a more expensive batch might LOOK
the same but I wouldn't want my building on it.
Click to expand...

I'm using a strict definition for "high quality". My inexpensive PSUs
are all Fortron-Source and Antec, except for a Delta and that
low-quality free-after-rebate Soyo/Key Mouse.
I'm a cheap SOB but knowing from past work experiance the need of good
juice in a box I've got over $100 in a PS that's been running without
a burp for over 2 years.
Click to expand...

And my old Powmax has been reliable, but I wouldn't say it's high
quality, even though it's built better than today's Powmaxes. Actually
I've had very few PSU failures: A Deer/Codegen had several tiny
capacitors short
(rated for 16V but were receiving 50V pulses), and the output
capacitors in a 2-3 year-old 300W Antec SmartPower started to bulge a
few months ago (probably caps from the Taiwan capacitor scandal, but no
computer problems here).
 
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