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papst fan problem
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papst fan problem
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9th August 2003, 00:25
| #1 |
| Member Join Date: May 2002
Posts: 77
 |  papst fan problem i have this papst 4412FGML 120mm fan, when i boot the pc it spins a bit and after 20 secs it stops, when i give it a slight swing it start spinning again for 20 secs or so... But not reliable to use on the cpu sink... What might be the problem here? It's one red and one blue cable, in the middle there's an open spot, there i soldered another cable for rpm like it shows in some howto's, perhaps there went something wrong? |
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9th August 2003, 00:45
| #2 |
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| is the fan undervolted? eg on 4V instead of 12V. |
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9th August 2003, 12:08
| #3 |
| Member Join Date: May 2002
Posts: 77
| no i connected it directly to a 12V molex of the psu |
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9th August 2003, 12:34
| #4 |
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| Fan is undervolted. |
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9th August 2003, 12:39
| #5 |
| Member Join Date: May 2002
Posts: 77
| that seems to be possible but how? it's connected directly to a molex 12V |
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9th August 2003, 13:17
| #6 |
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| how did u connect it? yellow-black = 12v red-black = 5v yellow-red = 7v |
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11th August 2003, 01:15
| #7 |
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| you've swapped the 12v cable with the 5v cable? some fans don't work properly at that voltage |
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11th August 2003, 18:04
| #8 |
| Member Join Date: May 2002
Posts: 77
| it's 12V for sure... when connected I measured voltage with a multimeter ... it indicated 11.92V... |
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11th August 2003, 19:33
| #9 |
| [M] Reviewer/HWBot ***** Join Date: May 2002
Posts: 3,344
| Disconnect the wire for rpm monitoring. If you still got the same problem, and you're absolutly sure it's 12V... seems like your fan is dead. Is it a new one? If not, did it used to work fine?
__________________ HTPC (mac osx): Mac Mini | Core Duo 1.6Ghz | 2GB DDR2 | 26\" TFT Development (mac osx): Macbook | Core 2 2.0Ghz | 4GB DDR2 | 250GB HD Games (win xp): E2160 @ 2.4Ghz | HD3850 OC | Asrock 4coredual-vsta | 2GB DDR2 |
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11th August 2003, 20:13
| #10 |
| Member Join Date: May 2002
Posts: 77
| rpm wire wasn't connected ... when it was connected to mobo to monitor rpm, system wouldn't boot it seemed but even with wire not connected, fan only spins 30secs max and not even at full speed i think |
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