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January 13th, 2023 04:00
Fan 3A configuration mismatch
I have purchased a R640 2nd hand.
I have the following fan mismatch errors in iDrac. How do I identify what fans are 3A,3B etc
Fan 3A configuration mismatch.
Fan 3B configuration mismatch.
Fan 4A configuration mismatch.
Fan 4B configuration mismatch.
Running a diagnostics test passes but it does flag these fans
Opening up the chassis I see 2 x performance fans (0KG52T) but the rest are standard (0RG2X2)
Does this mean these fans have a fault or just that someone has swapped out standard for these high perf ones?
Im assuming the critical status in iDrac is a result of this?
Whats best course of action here?
TIA
Dave
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DELL-Shine K
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January 13th, 2023 06:00
All fans on the server need to be of same type. Mostly you are seeing this issue as you have different types of fan installed on the server
DELL-Charles R
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January 13th, 2023 08:00
Hello dave_mcl,
Like Shine states :Mixing of standard and high performance cooling fans is not supported.
It looks like, as you suspect, the performance fans have been installed when it should have standard fans.
If you replace them with standard fans that should resolve the issue.
dave_mcl
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January 13th, 2023 17:00
OK thanks, just realised there are 2 fans per housing unit hence the A & B description
Thanks again.
dave_mcl
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January 13th, 2023 19:00
Given the difficulty in getting Dell parts in Australia - I assume I could replace the 6 standard fans with high performance ones and that would also work - it just needs to be a consistent part across the entire fan row?
DELL-Shine K
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January 15th, 2023 05:00
Whether a system need Standard or High Performance depends on the system configuration. Generally using all high performance should not show up any issues
dave_mcl
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February 5th, 2023 15:00
Installed 2 new standard fans - problem resolved.
David Burton2
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November 19th, 2023 14:41
DELL-Shine K, how can "system configuration" be adjusted?
I'm running with just one CPU. It seems silly to have all eight high performance fans. In fact, it seems silly to have eight fans. Can I change the "system configuration" to only install fans for CPU 1?
David Burton2
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November 20th, 2023 04:06
How about adjusting the system configuration to change from high performance (KG52T) fans to standard (RG2X2) fans (which I assume are quieter)? Is that possible? How would I do that?
David Burton2
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November 20th, 2023 07:21
The standard fans are presumably quieter (right?), and they're a lot cheaper on eBay.
I got the system board for free (because it has a dead PERC slot), I have only one CPU in it, and I don't expect to work it very hard.
Quieter would be very much appreciated for a machine which will be running in my home office.
I current have four standard fans and four high performance fans. So if I have to make them match, I'll need to buy some replacements,
(edited)
David Burton2
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November 21st, 2023 22:28
How does one change the system configuration from high performance (KG52T) fans to standard (RG2X2) fans?
How much quieter are the standard fans?