Fan Failure on ReadyNas Ultra6

Hi, Thanks for the fast reply.  I did what your recommending and I have already backed up all my files it's 6 bay 12 tera-bytes

in size.  When I checked status it shows the current state of all HD within normal temp ranges no noise is heard and Fan one

is displayed under the status I recalibrated it.  But the system is not showing system Fan2 at all.  The firmware is the last one

released for this model as Netgear is no longer supporting it. 

Here is the status of all the drives:

Disk 1

WDC WD2002FAEX-007BA0 1863 GB , 35 C / 95 F , Write-cache ON

OK
	Disk 2	WDC WD20EFRX-68EUZN0 1863 GB , 31 C / 87 F , Write-cache ON

OK
	Disk 3	WDC WD20EADS-00S2B0 1863 GB , 36 C / 96 F , Write-cache ON

OK
	Disk 4	WDC WD20EADS-00S2B0 1863 GB , 39 C / 102 F , Write-cache ON

OK
	Disk 5	WDC WD2001FASS-00U0B0 1863 GB , 43 C / 109 F , Write-cache ON

OK
	Disk 6	WDC WD2001FASS-00U0B0 1863 GB , 42 C / 107 F , Write-cache ON

OK
	Fan SYS1	898 RPM

OK
	Temp CPU	50 C / 122 F [Normal 0-65 C / 32-149 F]		OK
	Temp SYS	29 C / 84 F [Normal 0-60 C / 32-140 F]		OK
	UPS 1	CPS CP1500PFCLCD, Battery charge: 12%, 69 minutes		OK

Here is the log reference to the failure of the Fan2 the system is set up to email me for disk failures/temp exceeding normal ranges.

	Fri Mar 3 17:43:47 MST 2017	Fan will be recalibrated over the next few minutes.
	Thu Mar 2 16:24:31 MST 2017	System is up.
	Thu Mar 2 13:48:25 MST 2017	Fan 2 has failed (SYS1 393 rpm).
	Thu Mar 2 13:48:07 MST 2017	System is up.
	Thu Mar 2 08:32:13 MST 2017	Fan 2 has failed (SYS1 423 rpm).
	Mon Feb 27 23:42:28 MST 2017	System is up.
	Sat Feb 25 18:04:58 MST 2017	System is up.
	Sat Feb 25 00:07:42 MST 2017	The on-line filesystem consistency check completed without errors for Volume C.
	Sat Feb 25 00:00:03 MST 2017	The on-line filesystem consistency check has started for Volume C.
	Sun Feb 19 08:10:50 MST 2017	RAID scrubbing finished on volume C.
	Sun Feb 19 00:00:16 MST 2017	RAID scrubbing started on volume C.
	Sat Feb 18 14:54:22 MST 2017	System is up.
	Sat Feb 18 14:48:07 MST 2017	System is up.
	Sat Feb 18 11:24:24 MST 2017	System is up.
	Sat Feb 18 00:07:25 MST 2017	The on-line filesystem consistency check completed without errors for Volume C.
	Sat Feb 18 00:00:03 MST 2017	The on-line filesystem consistency check has started for Volume C.
	Fri Feb 17 18:23:59 MST 2017	System is up.
	Fri Feb 17 17:06:26 MST 2017	System is up.
	Fri Feb 17 00:57:14 MST 2017	The default backup button job copies the contents of the [backup] share to the USB hard drive directly attached to the front of the NAS. Please attach a USB hard drive directly to the front USB port before pressing the backup button.

I suspect the Fan is just broken and needs to be replaced however I need to know the type of fan and where I can get it.  I have another Netgear NAS a 4 bay one used for backup of data.  The Ultra 6 is a working drive getting used ever day.

Thanks again for replying 

Utelme