VTrak8110 backplane flapping

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  • Last Post 19 July 2020
Þór Sigurðsson posted this 30 June 2020

Hi,

I have a piece of old tech that I'm using (VTrak 8110, 8-disk RAID box). When I started using it (a few weeks ago) I noticed that the components on one side of the backplane seem to be flapping;

E.g.;

Timestamp           Description                               Severity  ID

----------------------------------------------------------------------------

6/30/2020 10:49:28  Power supply connected but turned off: 1. WARN      2646

6/30/2020 10:49:43  Cooling unit removed: 1                   WARN      2647

6/30/2020 10:49:43  FRU state changed.                        INFO      2648

6/30/2020 10:50:28  Power supply connected and turned on: 1.  INFO      2649

6/30/2020 10:50:43  Power supply connected but turned off: 1. WARN      2650

6/30/2020 10:51:58  Power supply connected and turned on: 1.  INFO      2651

6/30/2020 10:52:13  Power supply connected but turned off: 1. WARN      2652

6/30/2020 10:56:43  Power supply connected and turned on: 1.  INFO      2653

6/30/2020 10:57:13  Cooling unit inserted: 1                  INFO      2654

6/30/2020 10:57:13  FRU state changed.                        INFO      2655

 

This is over the course of a few days - 2500+ events.

 

Does anyone have experience with this kind of semi-failure? Does the box need re-capping, or is it more severe?

Any ideas are most appreciated :)

 

Thanks!

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Ranjith kumar posted this 07 July 2020

Hi,

Kindly reach us through creating the web support case at support.promise.com and attach the service report in that case

id to verify the issue.

Regards,

Promise Team

Þór Sigurðsson posted this 16 July 2020

Hello Ranjith. Sorry for the belated answer.

 

My VTrak 8110 is long out of warranty, being around a decade old. It's a hand-me-down from my employer and I'm using it at home.

I have however found the issue. Apparently, it blew a cap. Now the BIG question is - do you have access to the schematics to tell me which capacitor should be in place there? (I could also find out by taking down the box and open up the other PSU)

 

This is the PSU:

 

Thanks for your assistance :)

Best,

   Thor

Ranjith kumar posted this 19 July 2020

Hi,

Sorry,

this one is of the oldest model Vtrak unit .

We do not have any hardware or component list to suggest for these models as it was moved to legacy long time back.

Regards,

Promise Team

 

 

Þór Sigurðsson posted this 19 July 2020

Thanks for the effort though :) I dismantled the second PSU and found that it should (most likely, assuming I read it correctly) 4.7µF 50V. So tomorrow I'm picking up two and replacing both - just in case :)

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