AX1200i - Flaky OCP on Multi rail and Firmware

[Namenick]

Hello -

 

So, brand new system on newly installed Win10x64. Has been running fine for a couple of weeks through various stress tests etc, until a long file copy operation. Transferring around 1/2 TB from an internal Nvme (Raid0) to a pcie card Nvme takes about 3 1/2 hrs. During this process got the red light shutdown. Tried one more time, and same thing.

 

It is obvious I'm not the only one, eg. the thread here:

(https://forum.corsair.com/v3/showthread.php?t=186076)

 

What I don't get, is why a low power operation (was consistently taking 14/5 A on 12/5 V) during the copy with no other high power operations running, should trigger the OCP, especially since hours of stress testing caused no problems.

 

Anyway, I ran the file copy again on single rail and it ran fine. So, I guess I'm asking whether I should RMA? One of the reasons I went for this PSU was its (supposed) ability to run OCP on the individual rails.

 

Another thing that seemed strange, was the Link software reports the Firmware as N/A. What does this mean?? There is no firmware?! There is firmware, but Corsair does not know what it is?!? Joking aside, is it possible to update firmware, and is the N/A normal?

Thanks.

 

[Off Topic Explanation: Some might wonder why the file copy takes so long, given the hardware involved. The answer is Backup4All - I got it years ago when the single threaded operation didn't really matter. It does now, yet it seems the company still sell their 1 thread software. I wish I could find a reliable multi-threaded file backup prog. but when I've tried they all messed up the incremental backups - except Backup4All]

[jonnyguru]

That is strange that single +12V rail worked. Especially since single/multiple rail applies to +12V and an SSD uses only +5V.

 

Also, the firmware is shown as N/A because it's not end user updateable.

Edited December 23, 2020 by jonnyguru

[Namenick]

Thanks.

That is strange that single +12V rail worked. Especially since single/multiple rail applies to +12V and an SSD uses only +5V.

This is NVMe, I think pcie operates at 12V; regardless, 14A is far too low to trigger the ocp.

 

Also, the firmware is shown as N/A because it's not end user updateable.

Thanks for the info. Now that the flaky multi rail OCP definitely cannot be fixed via firmware; the alternative is, I suppose, an RMA.

 

Anyway, I just now (4 days after the multi rail shutdown) got another red light shut down, even though on single rail; this time whilst gaming . This is more expected I guess, as it is possible the 40A threshold was crossed.

 

Bottom line is I'm more pi**ed than ever over this DSP marvel - cos' on multi rail that would/should never have tripped.

 

I look forward as to how the Corsair techs are gonna' explain this away!

[jonnyguru]

Quick question: You ARE using the cables that came with the PSU, right?

[Namenick]

Quick question: You ARE using the cables that came with the PSU, right?

 

Thanks, yes the cables were from the AX1200i.

 

Anyway, the shutdowns continued, and in the end I could not even boot - two seconds after pressing the power button, the psu red-lighted. So switched back to the psu used on my old system (Corsair RM850x), and 10 days later have not had a single problem.

 

The AX1200i has now been RMA'ed - I am though worried that the replacement will also fail.