Strange sound from brand new PSU

[avatar55]

Hey guys,

So I just bought a brand new Enermax PlatiGemini 1200W PSU and installed it a couple of days ago. Yesterday when I was just doing some light desktop tasks, I noticed a strange ticking-sound definitely coming from the PSU. I have recorded the sound with my phone - see link below. The sound lasts for maybe a minute or two, then goes away, and randomly reappears and goes away again. Anyone have any clue to what this can be? Please note that there is also some ambient noise in the background, like case fans and rain against a window. The PSU-sound is only the rythmic sound.

Link to soundclip.

or

All input will be greatly appreciated!

__________________________________
Motherboard: ROG Strix X570-E Gaming
CPU: AMD Ryzen 7 5800X3D
Cooler: Noctua NH-U12A
RAM: 2x16GB G.Skill Trident Z Neo Series DDR4 3600MHz
GPU: MSI GeForce RTX 3080 GAMING X TRIO
SSD: 2TB Samsung 990 PRO NVMe M.2
PSU: Enermax PlatiGemini 1200W ATX 3.1

 

[tamzzy]

Sounds like the fan is clipping on something

 

[Glanza]

If you press the DF button on the back to force the fan to spin does the noise appear / go away?

 

[avatar55]

Sounds like the fan is clipping on something

Yes i agree it does sound like that, but I can't see how that's possible. The fan isn't supposed to be able to hit anything. If it does, it has to be due to a manufactoring error. But if it's not the fan, then it has to be some sort of electrical error (which would be much worse).

 

[avatar55]

If you press the DF button on the back to force the fan to spin does the noise appear / go away?

I will definitely try this later when I'm home - thank you!