Z87-Deluxe CPU Overvolt/Anti-Surge Issues

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Z87-Deluxe CPU Overvolt/Anti-Surge Issues

Postby sac130e » Tue Feb 24, 2015 1:45 pm

Been running my system for at least a year with no issues until yesterday.
System: Asus Z87-Deluxe
CPU - i7-4770k
PS - Coolermaster 1000w
(can get the rest as needed)

Have had no problems; am running the ASUS OC from within the AI Suite software with no problems; when my system is idle, it will hibernate and this has been working fine also.

Yesterday when I woke it up, got one long beep followed by 4 short beeps and following messages:
1) Message about the anti-surge and faulty psu
2) CPU Fan error
3) CPU overvoltage error

In the BIOS the following is listed in RED:
- Core 0 thru 3 all read red and range from 1.5 - 3.0 (fluctuates)
- 5V Voltage fluctuates between 7.0 - 10.0 (all in red)
- 12V Voltage fluctuates between 18.0 - 22.0 (all in red)

It lets me enter the BIOS, I reset back to default and set system to normal.
I unplugged all extra HDD's, fans and BD Drive
..but still same problem.
I disabled the anti-surge, but still get the other 2 errors and same red voltage issues.

Thinking a psu problem, but need some advise on how to proceed before I start shelling out money at items that are not causing this problem.

Thx,
sac130e
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Re: Z87-Deluxe CPU Overvolt/Anti-Surge Issues

Postby Karlsweldt » Tue Feb 24, 2015 5:04 pm

From the description, sounds like the PSU has failed. They are not immune from the "bad caps" syndrome. Most of the better brands use high-quality low-ESR capacitors, but lesser brands do not.
Opening a PSU can be dangerous. Best to pull the AC plug, try a few starts to drain reserves. On opening the PSU be cautious about the large capacitors and the finned heat sinks on the input side. They could be HOT with voltage to ground. Use a multimeter set to 200+volts to check for any residual voltage, before touching any item. If any detected voltages are below 24 volts, relatively safe to touch.
Look over all the capacitors on the output side. Any that show domed tops, lean excessively or show leakage are bad.
They can be replaced, but the PSU may not return to its proper operation state. Best to replace.
As to that long plus short beeps note, that would indicate video memory addressing failure.
I would also look over all the capacitors on the motherboard. Same visual results, bad capacitor.
Most capacitors are used in filtering circuits to ensure pure DC voltages. But smaller ones are couplings between different circuits, passing data but not voltage. If they fail, excess voltage can leak into lower voltage circuits.
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Re: Z87-Deluxe CPU Overvolt/Anti-Surge Issues

Postby evasive » Wed Feb 25, 2015 4:39 am

If this is the "Cooler Master Silent Pro Platinum 1000W" then we may have a problem as that is largely TAEPO capacitors on the secondary side.

If it is one of the other models, it can make me wonder about the bios voltage measurements as AFAIK all other Cooler Master 1kW units are all-japanese caps. Asus has a bad track where it comes to giving accurate info from any sensors (especially temperatures! ) on the board between the various bios revisions.

So, please tell us exactly what model PSU you have.
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Re: Z87-Deluxe CPU Overvolt/Anti-Surge Issues

Postby sac130e » Wed Feb 25, 2015 8:58 am

It is a CoolerMaster Silent Pro 1000w, but don't see any sign of 'Platinum; on the unit.
Model # RS-AMBA-J3, if that helps.

Scott
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Re: Z87-Deluxe CPU Overvolt/Anti-Surge Issues

Postby Mark H » Wed Feb 25, 2015 3:48 pm

Any chance you could borrow another power supply to help isolate the problem? If a different PSU eliminates the warning, time for a new one. If still there, possible MOBO issue.
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Re: Z87-Deluxe CPU Overvolt/Anti-Surge Issues

Postby Karlsweldt » Wed Feb 25, 2015 5:16 pm

Here is a specs link to that Cooler Master PSU..
http://www.coolermaster.com/service/sup ... 0-AMBA-J3/
Not too happy with that "Operation Temperature 0~40°C" notation! Have seen PSU exhaust temps range up to 70°C!
A voltage check at the main ATX power plug should show all voltages within +/- 2%, 1% is ideal. The -12 volt lead can be off by up to +/- 2 volts and still be within acceptable range.
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Re: Z87-Deluxe CPU Overvolt/Anti-Surge Issues

Postby evasive » Thu Feb 26, 2015 1:53 am

Mark H wrote:Any chance you could borrow another power supply to help isolate the problem? If a different PSU eliminates the warning, time for a new one. If still there, possible MOBO issue.


That. This PSU is not known for bad capacitors so if it's broken you will have to replace the entire unit. Badcap PSUs can usually be repaired quite cheaply and easily...
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Re: Z87-Deluxe CPU Overvolt/Anti-Surge Issues

Postby sac130e » Thu Feb 26, 2015 3:57 pm

Found an old PSU (600w) and ran it up..no overvolt issues noticed anymore
Still getting the cpu fan error, will have to look into that. Think it has to do with using
a corsair h100 cpu cooler and having the fans connected to a fan block.
Funny, didn't have that issue before, but since I reset the bios and cleared the CMOS,
probably need to reset the bios to ignore that.

Now, to find a better PSU, should get 850w or higher..suggestions?

Thx again,
Scott
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Re: Z87-Deluxe CPU Overvolt/Anti-Surge Issues

Postby Karlsweldt » Thu Feb 26, 2015 4:17 pm

It is never a "waste" to have more power reserves in a PSU than needed. That equates to better regulation and longer life.
A PSU will never 'push' more power to a system than required.
Stay with a quality brand, with a long warranty period. The few extra dollars spent is good insurance!
Here is one review link..http://www.techspot.com/products/power-supplies/

Consider your "daily driver" vehicle.. would you put inferior tires on it?
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Re: Z87-Deluxe CPU Overvolt/Anti-Surge Issues

Postby sac130e » Thu Feb 26, 2015 5:10 pm

Thx, may stray away from Cooler Master..been looking at Corair of Thermaltake

Thx
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