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dfelsch
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Joined: Thu Jul 09, 2020 8:45 pm

CRS326-24S+2Q+RM - FAN3 broken?

Thu Jul 09, 2020 8:54 pm

Hi,

My brand new CRS326-24S+2Q+RM (SwOS 2.11) shows reasonable values for FAN1 and FAN2 (around 5600 RPM, CPU at 56C). However, FAN 3 stays at 0 RPM. Is that fan broken or is there a temperature control that only spins up this fan when it get's really hot?

Cheers
 
dfelsch
just joined
Topic Author
Posts: 3
Joined: Thu Jul 09, 2020 8:45 pm

Re: CRS326-24S+2Q+RM - FAN3 broken?

Mon Jul 27, 2020 6:09 pm

I contacted MikroTik's support about this and they suggested opening the switch's case. When the case was open I found that there are actually 4 fan connectors on the switch's mainboard even though there are only 3 fans. The third fan was connected to the connector labeled FAN4. The FAN3 connector was empty. Probably during the assembly process of the switch in the factory someone has mistakenly attached the third fan to the FAN4 connector. After changing that back to how it's supposed, everything is working as expected now.

Cheers

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