ReadyNAS 3100: VBAT power is out of normal range

Question

Hi all!&nbsp;I have a ReadyNAS 3100 that started logging the following error:VBAT power is out of normal range [expected: 3.30 current: 2.94].&nbsp;Assuming the error was referring to the CMOS battery, I replaced the CR2032 lithium coin cell on the motherboard with a known good battery, and it's still complaining about the VBAT voltage.&nbsp;Is there another 3.3-V battery somewhere that needs to be replaced?&nbsp;Thanks in advance for any help!&nbsp;M

Sandshark · Answer

That's odd, because I don't see any reference to VBAT in&nbsp;/etc/frontview/sensors/RN3100.conf.&nbsp; Have you been independently doing something with lmsensors?

Sandshark · Answer

On the Settings page, just click on SSH to enable it. You then log in as user root using the NAS admin password.

That said, boot_info.log does not contain that type of info on my various ReadyNAS, so I believe your predecessor has done some significant tweaking of the OS. In order to do so, SSH would have to have been enabled. So if the SSH button has a green bar on the Settings page, it's already enabled.

StephenB · Answer

Sandshark&nbsp;wrote:
&nbsp;
That said, boot_info.log does not contain that type of info on my various ReadyNAS,&nbsp;

&nbsp;
User2032&nbsp;- can you let us know what firmware you are running?
&nbsp;
Sandshark&nbsp;- it looks like it might be 4.2.x, which does have sensor data in boot_info.log.

Sandshark · Answer

My bad, I was thinking a 3100 was a native OS6 unit.&nbsp;While4 I don't have a 3100, the old OS4.2.x logs I do have to include monitoring of VBATT, which is also reported in boot_info.log.&nbsp; Sincet Netgear didn't include VBATT in what's monitored if you upgrade to OS6, I wouldn't worry about it as long as the real-time clock works fine when the unit is off (if it ever is).&nbsp; If that's the case, then the issue is likely in the monitor circuit, not the actual voltage and that's all the battery is used for.&nbsp; If you don't want to keep getting warnings, then you could modify the system.conf file to ignore it.&nbsp; That will require SSH, and it's enabled with an add-on in OS4.2.x.&nbsp;But have you already tried to access via SSH?&nbsp; Your predecessor may have already done so.

User2032 · Answer

Hi Sandshark,&nbsp;I inherited management of this device, and I assume it's bone stock. Having written that, is there a way to enable SSH so I can poke around and see what I have in&nbsp;/etc/frontview/sensors/RN3100.conf?&nbsp;Thanks for your help!M

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ReadyNAS 3100: VBAT power is out of normal range

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