Hi Simon,
I had exactly that issue a few month ago. In my case it was caused by
poor cooling of the AQS rack due to a couple of failed fans. I changed
all eight fans on the top of the rack, and the issue has gone.
The total cost of repair was about 300 €.
Cheers,
Igor
--
Igor Moudrakovski, PhD
Max-Planck Institute for Solid State Research
Heisenbergstr. 1, 70569 Stuttgart, Germany
On 20/10/2023 16:29, Sham, Shing wrote:
> Hi,
> I have had an intermittent issue from AQS3+, it has happened few times
> in last 2 months.
> 1. When Topspin tried to wobb or atma(n), it failed.
> 2. It complained about a power failure in AQS. See pict. #1
> 3. Then it showed a closed connection between remote host (PC) and
> spectrometer (?). See pict. #2
> 4. All the components in AQS web service became "unknown". See pict. #3
>
> First time when it happened, I reset the IPSO. It got back to normal,
> Finally, I just clicked on the "confirm" shown in pict.#3 and all the
> components changed back to "OK" instantaneously. It seemed to me it
> meant "Yeah, I know there is a problem on a power supply! I will fix it)
>
> My questions: Is "SLOT 1 RACK 1: Power failed" referred to the PSM-48V
> ac/dc power supply in slot 1?. When it happened, the status LEDs on
> SGUs and others were OK.
>
> Has anyone seen this problem before?
>
> Thanks for your insight in advance.
>
> Simon
>
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Received on Fri Oct 20 2023 - 08:57:32 MST