X399 Taichi short circuit
Printed From: ASRock.com
Category: Technical Support
Forum Name: AMD Motherboards
Forum Description: Question about ASRock AMD motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=6960
Printed Date: 26 Dec 2024 at 6:01pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: X399 Taichi short circuit
Posted By: Deckard17
Subject: X399 Taichi short circuit
Date Posted: 16 Dec 2017 at 10:30pm
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Hello In the last days I built a new system based on the ASRock X399 Taichi board. Everything was wired fine and power on tests (without monitor) were successfully. (Dr. Debug codes only showed on the starting phase) I then connected a monitor and mouse/keyboard and browsed about 15 minutes through the EFI BIOS settings. (But I didn't change anything. Just disabled WiFi. No OC settings.) Later on I tried to install Windows 10 from a USB-stick. But in the early beginning (after you choose your language settings), the computer just powered of! I couldn't power on with the case power button (only the LAN LED on the back was still active). I power cycled the PSU switch and then the blue Motherboard LED was active and I could power on the computer with the case power button. Just a moment later I heard a loud noise from the motherboard and I could see a small flame coming from an electronic module. It smelled very strong. I immediately plugged off the power cable and was very frustrated about this situation. (its a very expensive system for me) Today I removed the board from the case and tried to locate the short circuit. (I found it only by my nose  )I attached two pictures. I'm not skilled for electronic modules, but maybe somebody can help me to identify the reason for this short circuit. I don't think I've done something wrong, and the computer was running fine at least during the 15 min. in the EFI BIOS. Hopefully it's not my fault.  Thanks for any hints... (do you know, how ASrock handles such issues? Warranty or just bad luck?) btw, on the motherboard backside of this position, everything seems ok.   |
Replies:
Posted By: zlobster
Date Posted: 17 Dec 2017 at 12:46am
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Bruh! RMA! ------------- 1700X ZP-B1 (stock); X370 Taichi (UEFI 3.10); 16GB F4-3200C14-8GFX XMP; 256GB 960 EVO; RX 580 NITRO+ 8GB |
Posted By: datonyb
Date Posted: 17 Dec 2017 at 2:02am
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they say with electronics they either go pop in first few hours or last for years.................... ------------- [url=https://valid.x86.fr/jpg250]  [/url]3800X, powercolor reddevil vega64, gskill tridentz3866, taichix370, evga750watt gold |
Posted By: MisterJ
Date Posted: 17 Dec 2017 at 5:32am
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Deckard17, looks like a resister or capacitor is gone (totally fried) from your VRM (Voltage Regulator Module) which supplies power to your CPU Core Voltage, maybe more than 100 Amps at times. Definitely open an ASRock support ticket and send them the pictures and ask for an RMA. Good luck and enjoy, John.
------------- Fat1 X399 Pro Gaming, TR 1950X, RAID0 3xSamsung SSD 960 EVO, G.SKILL FlareX F4-3200C14Q-32GFX, Win 10 x64 Pro, Enermx Platimax 850, Enermx Liqtech TR4 CPU Cooler, Radeon RX580, BIOS 2.00, 2xHDDs WD |
Posted By: Deckard17
Date Posted: 17 Dec 2017 at 6:59am
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" rel="nofollow - MisterJ, yes it's in the VMR area. Could such an issue also damage my (expensive) Threadripper processor? I really hope not... |
Posted By: zlobster
Date Posted: 17 Dec 2017 at 8:00am
In theory, it should not, especially if you left the OVP and OCP enabled in UEFI. In practice, only a new mobo will tell. Fingers crossed! ------------- 1700X ZP-B1 (stock); X370 Taichi (UEFI 3.10); 16GB F4-3200C14-8GFX XMP; 256GB 960 EVO; RX 580 NITRO+ 8GB |
Deckard17 wrote:Posted By: ssateneth
Date Posted: 17 Dec 2017 at 12:28pm
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Call Asrock, get RMA. Thats all you can do. Don't try to fix it yourself, your warranty will be ruined then. After RMA, if it still doesn't work, maybe CPU shot, RMA that too. ------------- MB: X399 Taichi, UEFI L3.32 VGA: EVGA 1080 Ti FTW3 PSU: Seasonic PRIME 1300 W PLATINUM CPU: AMD Ryzen Threadripper 2950X MEM: 4x16GB, 3600MHz G.Skill Trident Z F4-3600C17Q-64GTZKW |
Posted By: parsec
Date Posted: 17 Dec 2017 at 12:52pm
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" rel="nofollow - It looks like one of the VRM power chips/phases failed for some reason. A surface mount capacitor next to it is gone, one of the eight (now seven) yellow components in a line below the heat sink. Is the CPU heat sink pressing on the VRM heat sink? It looks like two of the heat pipes could be contacting the VRM heat sink. No damage on the underside of the board? That is where I would look for a short circuit, particularly that close to a standoff. Impossible to predict if the CPU is damaged or not, but it is possible it could be damaged. When you remove the CPU, look inside the socket for any damage. If you cannot return the board to you retailer, you can arrange an RMA with ASRock's European website. Go to your board's information page, click Support on the upper right and then click the Repair/RMA link. ------------- http://valid.x86.fr/48rujh" rel="nofollow"> 
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Posted By: Deckard17
Date Posted: 17 Dec 2017 at 9:42pm
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parcec, thanks for your explanations. The CPU heat sink has no contact to the VRM heat sink.  Even the pipes has no contact to the VRM heat sink (it's difficult to see it in the following picture):  And here's a picture of the underside (seems fine for me):  I just opened the CPU socket. And this looks good too for me:   So, hopefully the CPU is not damaged. I will see it later, when I got a replacement board. I hope my retailer will handle this as fast as possible as I really looked forward to this system and now I think I have to wait several weeks to continue. But yes...sh*t happens...sometimes |
Posted By: TANWare
Date Posted: 18 Dec 2017 at 7:47am
| The CPU looks goo but where the short occurred it seems that there is an abundance of solder. It seems RMA is the issue here. Since it was not DOA the manufacturer under warranty is probably the best bet. |
Posted By: datonyb
Date Posted: 18 Dec 2017 at 6:20pm
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" rel="nofollow - it depends where he lives im guessing by his typing it may be the uk ? in which case he has very good protection as a buyer with the uk laws and the retailer is responsible in such a short timespan from purchase ------------- [url=https://valid.x86.fr/jpg250] [/url]3800X, powercolor reddevil vega64, gskill tridentz3866, taichix370, evga750watt gold |
Posted By: rvaldez22
Date Posted: 12 Jan 2018 at 3:42pm
| I lament to tell you that your proc might be demaged, the same issue happened to me, the mobo caugh on fire same area as well but middle regulartors fried, went back to retailer for new mobo exchange and this time i got an Asus mobo, well put the system back together and this time the the proc burned my 4 pin connector form my PSU, literally melted the plastic off, killing the new mobo that i now have to go back to retailer and see what they can do, the proc is def fried, this mobo killed my proc, my PSU AND the new mobo i got as a replacement! Posted the pics of the insident on tweeter and tagged assrock and never got a response, tried facebook never gor a response, so i am at lost here super frustrated and out of obtions, i HATE this manufacturer, custumer support is the WORST! If u wanna see the pics they are on tweeter, rvaldez22 on there as well. |
Posted By: zlobster
Date Posted: 12 Jan 2018 at 6:28pm
I feel your pain! That's tons of money down the drain! Not to mention the nerves you burned in the process... I also share your hatred towards this very manufacturer!  Luckily for you, you're in the US. I gather there is very good consumer protection in place, so maybe you can wreck them badly. ------------- 1700X ZP-B1 (stock); X370 Taichi (UEFI 3.10); 16GB F4-3200C14-8GFX XMP; 256GB 960 EVO; RX 580 NITRO+ 8GB |
Posted By: Deckard17
Date Posted: 13 Jan 2018 at 7:18pm
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@rvaldez22 That sounds really bad!  I'm still waiting for the replacement (motherboard) from my retailer. (hopefully next week) At least I'm warned what could happen next, but of course I really hope, my cpu is not damaged. |
Posted By: zlobster
Date Posted: 14 Jan 2018 at 12:02am
Jokes aside, you might want to keep a fire extinguisher nearby. Fingers crossed you won't need it at all.  ------------- 1700X ZP-B1 (stock); X370 Taichi (UEFI 3.10); 16GB F4-3200C14-8GFX XMP; 256GB 960 EVO; RX 580 NITRO+ 8GB |
Posted By: Deckard17
Date Posted: 19 Jan 2018 at 3:43am
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Just an update. 2 days ago I finally received a replacement motherboard (only the board was changed). As BIOS 1.50 was preinstalled, I guess, it was manufactured last autumn. I built again my configuration, updated the BIOS and this time I could install and activate my Windows 10 successfully. As I have no apps installed, the computer was still in low performance mode. (Hope it will not explode when in the future the CPU will have to render some heavy 3D renderings...  )I'm happy now and think this time, everything will work as designed. But I lost one month for nothing...  |
Posted By: zlobster
Date Posted: 19 Jan 2018 at 4:03am
You did lose 1 month, just not for nothing. There is always a moral to the story. Thanks for the follow-up, glad everything turned out OK for you! ------------- 1700X ZP-B1 (stock); X370 Taichi (UEFI 3.10); 16GB F4-3200C14-8GFX XMP; 256GB 960 EVO; RX 580 NITRO+ 8GB |
Posted By: TANWare
Date Posted: 21 Jan 2018 at 11:41pm
| Same here, glad to here all is well. |
Posted By: Deckard17
Date Posted: 23 Jan 2018 at 2:29am
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Board and system still runs like a charm. I've now installed most of my programs and using the system daily (still not under heavy load, but at least in a normal way). I'm really happy now and like the horse power. Cinebench shows me 2959 cb (previous some year old computer with Intel Xeon E31230 only 579!!) Or something from the real world: a very simple test render scene with 800x600 pixel took in Cinema 4D with my old system 1:49 min. The same scene will be rendered with my new system in 18 seconds! For me, that's a huge difference.  |
Posted By: datonyb
Date Posted: 23 Jan 2018 at 3:15am
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well its a shame you had the initial issue but WE thank you for coming back to update the thread glad your enjoying the returns on your investment ,may it serve you well friend ------------- [url=https://valid.x86.fr/jpg250] [/url]3800X, powercolor reddevil vega64, gskill tridentz3866, taichix370, evga750watt gold |