Silverstone SFX Power Supply Keeps Flipping Breaker Immediately

jonathan1683 · Jul 19, 2015

Hey Guys,

I don't know what the problem is. I have been running my new HTPC for a few weeks just fine and I came home and my power was out in most of my house. I sat in there for like 3 hours till I figured I would start unplugging everything and narrowed it down to my HTPC. For some reason as soon as I plug in my HTCP the breaker flips instantly. I don't even have to power the PC on at all. Is this PSU bad? I tried to buy the best I could for the form factor, but I still ran into problems. I am also afraid that when I get another PSU my HTPC is going to be fried! Any help would be appreciated. I tried removing the surge protector and I plugged it in direct I also tried to plug it in upstairs and same thing flips immediately. If this thing is bad is there anyone that makes better SFX power supplies?

This is what I have

http://www.amazon.com/SilverStone-Technology-Factor-Modular-ST45SF-G/dp/B008VQ2Y4K

I got it on newegg, but I can't seem to get newegg to load.

Edit: I also just removed it from my case and plugged it in and it still flips the breaker.

C12Friedman · Jul 19, 2015

Although it appears yours has gone south early, that PSU is considered to be a decent unit made by Enhance, reviewed here http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story6&reid=319 I'm going to suggest getting it replaced by NewEgg with the same model

synphul · Jul 19, 2015

I'd agree with C12Friedman, time for an rma. Especially since you already tried the basics, direct wall power, different outlets. The fact that it flips the breaker immediately makes me think something inside the unit is shorted causing your household circuit to trip. Even quality brands/models will occasionally have a bad egg, just part of the manufacturing process. I don't know of any company with a 0% failure rate. Good luck and hopefully the next unit works as it's supposed to.

jonathan1683 · Jul 20, 2015

Thanks guys I sent it back this morning hopefully it doesn't happen again

jonathan1683 · Sep 15, 2015

Hey Guys,

Same thing happened with the new power supply after a month I don't get it ? The HTPC was not even on it was in hibernation mode and the power supply is flipping my breakers again ? Anyone have an idea to what may be happening? Is there any other power supplies that could fit in my case that are good?

Thank you!

1LiquidPC · Sep 15, 2015

I have 2 of the non-modular 450W version in HTPCs. They've both been running fine. Have you tried a DMM on your outlet. Maybe bad utility voltage coming in.

jonathan1683 · Sep 15, 2015

I don't have a dmm but there is a standard type surge protector on it and I have other devices connected to it and none have issues for years. my tv is connected my Apple TV bluray player Hdmi switch. should I still buy a dmm to test it?

1LiquidPC · Sep 15, 2015

That's up to you. It does seem odd having two PSUs do the same thing though. Maybe a short being caused by the motherboard/case somewhere? Maybe want to check over wiring/standoffs, ect.

jonathan1683 · Sep 15, 2015

I will give it a look around I have seen shorts though and usually they show instant issues not 1 month then die after that. It was a pretty simple install and the PSU/Case are matching manufacturers :\

capt_taco · Sep 15, 2015

Hmm. Try taking the power supply out of the computer, plugging it into the wall by itself, and see if it trips the breaker when you turn it on. If yes, it's definitely something within the PSU. If not, then possibly something within your case.

Another possibility is that something about your system configuration is ruining power supplies. Environmental things like the PSU pointing the wrong direction and can't get air; PSU not having room to vent properly; excessive moisture or condensation; fan sucking in things that it shouldn't if it's facing the floor; things falling into it if fan is facing up ... Maybe a rail being overloaded, an electrical issue somewhere else in the system that's eventually wearing the PSU out - or even an issue with that particular wall outlet that's burning the PSU up. Just a bunch of ideas to check for.

I would be VERY surprised if you got two bunk units in a row - the odds of that are like winning the reverse lottery.

jonathan1683 · Sep 15, 2015

Thanks Capt I did already took it out of the of the case and it still blows the circuit I got a replacement and it was running fine again. I made sure the psu had the fan in the vent I also made sure the htpc was on it's side to where it could blow out the hot air. I also keep the AC on all the time @ 72 degrees and each time the PSU blew it was not under any load once I was asleep the other time I wasnt even home so it's was suspended or in hibernation. The HTPC has a pentium haswell CPU low power not OC'd no vid card and I have a SSD and a self powered mybook so there is really nothing taking power probably less than 100 watts of usage if I had to guess.

capt_taco · Sep 15, 2015

Hmm. I almost suspect something's wrong with the wall outlet - or possibly that you've been experiencing power surges in your house and the PSU is breaking itself while doing its job to protect your components. Have any other electronics in the house been affected, any other surge protectors tripped, anything like that?

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