koonge Posted January 23, 2019 Share Posted January 23, 2019 I bought a brand new PC in parts except new graphics and sound card, and it keeps shutting down with no warning. It can stay alive anywhere from 10 minutes to about a day. When it dies there is a red light on the AX860i, and I have to turn the PSU off and on for the red light to go away. If I try to start the PC again it will immediately **** down and the red light comes back. After some tries or some waiting it will successfully power up again. The crashes can come at any time, but they are more frequent when playing games. It does also happen when surfing on chrome etc. and when the PC is ide. I have tried disconnecting most things running with only: Corsair AX860i Asus Maximus XI Hero (Wi-Fi) (Updated BIOS after problem started) Intel i9 9900k @ XMP 2, XMP 1 and Auto Corsair Dominator Platinum 3200MHz 2x16GB Corsair H150i Pro Samsung 970 Pro 512GB NVMe Asus Strix GTX 970 (works fine in old PC) Asus Xonar STX (works fine in old PC) It also happened before i received those RAM sticks and where using some 2x4 Hyper X 3000 MHz sticks, so ram should not be the problem. I have tried connecting an old PSU to this build and have had it running 2 days without any problem now. It seemed obvious that the PSU was the problem, so yesterday i connected the AX860i to my old PC and it has been running fine for 20 hours now. Still have both machines running waiting for one of them to crash so i can be sure if the PSU is the problem or not. Until it crashes on the old computer i can't be sure the problem is not the motherboard or something else. Everything looks good in iCUE. The different volts are stable, temps are low and fan turns on before the PSU get hot. What is causing this red light on the PSU? Why does this PSU not play together with my new machine and only my old? I bought PSU and motherboard at different shops so i really need to find out what part is misbehaving. There is of course still a chance for one of these machines to crash, but i really hate this waiting game. Any tips please? Link to comment Share on other sites More sharing options...
koonge Posted January 26, 2019 Author Share Posted January 26, 2019 Thanks for all the tips and help ^^ If anyone is wondering, I got the red light on the AX860i while connected to my old computer during the night, so the PSU is definitely the problem since both machines runs fine with other PSU's. Link to comment Share on other sites More sharing options...
jrcobb1994 Posted January 26, 2019 Share Posted January 26, 2019 are you using the stock psu mounting screws and the stock cables? Link to comment Share on other sites More sharing options...
koonge Posted January 26, 2019 Author Share Posted January 26, 2019 Using all stock Link to comment Share on other sites More sharing options...
jrcobb1994 Posted January 27, 2019 Share Posted January 27, 2019 with it occurring with other systems as well , the only thing you can do is rma it, electronics fail sometimes thats the reason they have warranties. If you have the same issue with the new one from the rma exchange demand a refund and go with a sea sonic that has a 12 year warranty. Thats my 2 cents Link to comment Share on other sites More sharing options...
Vegan Posted January 27, 2019 Share Posted January 27, 2019 my ax860i has 10 years, but it has held up fine so far Link to comment Share on other sites More sharing options...
warnings Posted January 29, 2019 Share Posted January 29, 2019 @vegan Look your capacitor please :) First true 100% japanese sample ? Link to comment Share on other sites More sharing options...
jrcobb1994 Posted January 30, 2019 Share Posted January 30, 2019 Thanks for all the tips and help ^^ If anyone is wondering, I got the red light on the AX860i while connected to my old computer during the night, so the PSU is definitely the problem since both machines runs fine with other PSU's. Try running the PSU without the mounting screw right below the power cord furthest from the fan and see if the issue persists. Link to comment Share on other sites More sharing options...
koonge Posted January 30, 2019 Author Share Posted January 30, 2019 Try running the PSU without the mounting screw right below the power cord furthest from the fan and see if the issue persists. Wow if that is the reason it would be really strange, but i sent it back to the store yesterday, so i can't test it. I have been very pleased with my AX850 in my old computer that has been running great 24/7 for 8 years, but i now use that as a server. Hope to get a new stable AX860i back with the RMA Link to comment Share on other sites More sharing options...
jrcobb1994 Posted January 31, 2019 Share Posted January 31, 2019 Read the sticky post at the top of this section, I was having issues with an AX760i just like you, the rma psu they sent me is a ax860i and it has the same thing going on , so I removed the screw and so far no issues Link to comment Share on other sites More sharing options...
Vegan Posted January 31, 2019 Share Posted January 31, 2019 I have short screws so I am wondering if longer screws are an issue? Link to comment Share on other sites More sharing options...
jrcobb1994 Posted January 31, 2019 Share Posted January 31, 2019 i was using the stock screws that should be short enough but are not Link to comment Share on other sites More sharing options...
koonge Posted February 1, 2019 Author Share Posted February 1, 2019 The stock screws are only 0,5 cm long, and since you don't screw them directly into the psu the metal around the mounting holes also takes some space between. Have you still not seen any red light after removing the screw jrcobb? It would be so strange if such a short screw is responsible for the problem. This red light has apparently been a big problem for the AX-series for many years. Link to comment Share on other sites More sharing options...
TheTiesThatBind Posted February 1, 2019 Share Posted February 1, 2019 AX are old enough now if I’m not mistaken. If I were you I’d prefer the newer HX series. Well, sometimes it’s all about luck. Components can fail. Suggesting an OEM doesn’t mean it won’t be able to fail. After all this is a Seasonic OEM. I don’t know about Seasonic’s after sales support but so far Corsair has been more than pleasing in my experience and I wouldn’t change it. It might be a bit odd what I’m about to say, but, could it be an incompatibility issue? Who knows, but since it happened to two different systems, just RMA the PSU and you’ll be fine with the newer one. Link to comment Share on other sites More sharing options...
koonge Posted February 1, 2019 Author Share Posted February 1, 2019 The other system i tested it on is a 10 year old P55 chipset, so it is not likely that it is a compatability issue. Anyway, the store i bought it from received the PSU back today and i got an e-mail in under 2 hours later saying i will get a new, so i just hope this new one works fine. Link to comment Share on other sites More sharing options...
jrcobb1994 Posted February 2, 2019 Share Posted February 2, 2019 AX are old enough now if I’m not mistaken. If I were you I’d prefer the newer HX series. Well, sometimes it’s all about luck. Components can fail. Suggesting an OEM doesn’t mean it won’t be able to fail. After all this is a Seasonic OEM. This thread is about the AX-i series which is not a seasinic OEM, its Flextronics. Also the reason i prefer the AXi VS HXi, HXi only supports hardware monitoring where as the AXi allows for user adjustible 12v rail OCP https://www.corsair.com/us/en/blog/HXi_vs_AXi Link to comment Share on other sites More sharing options...
koonge Posted February 9, 2019 Author Share Posted February 9, 2019 My recplacement AX860i has been running for almost 3 days without any problems now :D Link to comment Share on other sites More sharing options...
jrcobb1994 Posted February 10, 2019 Share Posted February 10, 2019 Is it a Certified Refurbished or a Brand new unit? Link to comment Share on other sites More sharing options...
koonge Posted February 10, 2019 Author Share Posted February 10, 2019 I got a brand new. Still going strong. Link to comment Share on other sites More sharing options...
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