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Antec 430 truepower

by musicphanman / May 13, 2006 11:07 AM PDT

my fans on the power supply are running at full speed all the time. it use to run very quiet. Any know how to fix this problem?

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by linkit / May 13, 2006 12:26 PM PDT
In reply to: Antec 430 truepower

If the computer is using more power, then maybe the fans need to be on full time. In that case you don't want to "fix" it. It is functioning as specified.

Tell us what else has changed with your computer. Hardware, software, usage, warmer room temperatures?

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may have shorted fan only line
by musicphanman / May 13, 2006 1:23 PM PDT
In reply to: changes

plugged in a case fan (with power on) to the fan only line. case fans are still running. no other hardware added

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Please explain,
by Ray Harinec / May 14, 2006 10:25 AM PDT

""plugged in a case fan (with power on) to the fan only line"".

On my Antec 430 the manual shows that fan only connector wiring and calls the hot wire 5 volts [it's on the 12v pin]. Called Antec they say that the voltage is actually a temperature controlled line, thus can run low up to 12 volts.

HOWEVER the Power Supply is providing the voltage to that connector. Your statement seems to imply that somehow you are feeding voltage into that connector. That ain't good.

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I do not have the Antec supply here,
by Ray Harinec / May 14, 2006 10:34 AM PDT

however the fan only connector should have female pins [the hot side of the connector is always female, unless voltage can come from both directions on some pins in a connector]. Thus it seems that if you plugged male pins into it, they would be male pins and should not have had voltage on them.

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Shorting the fan only connection
by Ray Harinec / May 14, 2006 10:37 AM PDT

may have zapped the voltage controller/sensor in the supply so you now get 12 volts all the time.

So nice if one owns a multimeter to check such things.

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Download SpeedFan and check the system TEMPs
by VAPCMD / May 13, 2006 12:55 PM PDT
In reply to: Antec 430 truepower

How long has it been since you checked the CPU HS for being clogged up with dust ?

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by musicphanman / May 13, 2006 2:06 PM PDT

Motherboard monitor says cpu is 127C
I don't think its right its a p4 2.6GHz
I turned on cpu temp monitoring in the CMOS to shutdown the system if it gets over 100c.
I'll try this SpeedFan

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(NT) (NT) MBM is not the most reliable, in my experience
by linkit / May 13, 2006 2:20 PM PDT
In reply to: mbm
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by musicphanman / May 13, 2006 2:26 PM PDT

looks like the power supply has a problem
voltages look pretty close to nominal till you get to -12V it reads -1.75v & +5v reads +2.5v
looks like I need a new PS

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