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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).
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.
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