Any idea what's up with this PSU?

[Tealc]

I won a FSP 700W PSU in a competition a while back and it worked for 8 weeks in my system. I contacted them and they sent me another unit.

I plugged it all up and motherboard power button lights up but when I hit the power button, either on front panel or mobo the PSU just gasps and dies. Only way to resume any form of power is by switching off at mains and back on again, but the failure mode remains once I try and power up.

I tested the supply on the bench, shorted green and black with a fan attached and probed the power and see 11.99v and 5.01v on a peripheral connector so it looks like the voltage is at least good. I checked CPU1, PCI-E and the Molex connector and they all seem to be getting power.

Bear in mind this PSU is totally new and has been shipped from Taiwan by FSP using Fedex.

I know FSP aren't the best PSUs out there but it free and normally retails for about £100 so you'd expect it to be superior to my OCZ 600W unit that has an annoying coil whine. Besides the FSP unit is all shiny and blue.

Any ideas? Is it dead? Am I wasting my time?

This is the response I got from FSP, which made me laugh. They are trying to blame my rig

As I know for now, there are some problems of FSP with the intel CPU i series.

Just let you know, we are working on try to find the solution, I will get back to you ASAP.

 

[anuraj]

I have a feeling that fsp trying to ripp people off (I'm just saying).