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RN104 'Fan System in enclosure Internal speed is below threshold. (0 rpm)' message
Hey all, This morning on my RN104 I got the error message "Fan System in enclosure Internal speed is below threshold. (0 rpm)", However the fan is running flat out, sounding almost like a hair dr...
It sounds like the tachometer signal from the fan isn't working. Obviously, use warranty replacement if that's an option. Otherwise, hopefully, it's the fan itself and a fairly easy fix by replacing it. If it's the monitor circuit, there's nothing you can do save add a "pad" that lowers the fan speed (but does nothing to correct the NAS's ability to monitor or control the speed).
Hello Sandshark
Thanks for your suggestion!
Out of warranty unfortunately.
I was hoping it might be a software issue with a software fix, but I'm happy to change out the fan to see if that will fix it.
Can you suggest any other troubleshooting I could do to help me to determine if it is a software or hardware issue?
Regards,
Lawrence
If you have any old fan you can connect temporarilly to see if it then senses the RPM, that would be good. Otherwise, I don't know of anything without an oscilloscope or frequency counter.
So, I got a new fan to replace the old one.
I could not find a fan with similar specs to the original fan ( Protechnic MAGIC MGT9212YB-025 ) so I replaced it with what seemed to be a respected model ( NOCTUA NF-B9 redux-1600 )
No more error messages. Drives and CPU running at 33 degrees C and 53 degrees C respectively.
Thanks Sandshark & Marc_V for your suggestions!
Lawrence
Glad to be of assistance, and that your problem was so cheaply fixed.
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