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brothercannon

Help! EX470 appears to be dead

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brothercannon

I took the dogs out for a walk today and when I got back to the house I heard a high pitch whine. I quickly located the source of the noise, it was my ups hooked up to EX470. I turned it off and the alarm sound stopped. Turned it back on and the alarm started again. I cycled the switch a few time with the same result. Finally I tried holding in the switch when I turned the ups on and this time the alarm did not sound. As far as I can tell the power did not go out during my absence so I'm not sure what tripped the alarm on the ups. Then I focused my attention to the EX 470. It was off so I tried to power it on and nothing happened. I power cycled the connected eSATA 4 disk enclosure and it came to life and I tried the server again, still no power. Next I tried a different power strip and still nothing.

 

So what do you guys think? Is it fried? Is there a fuse in the power supply that might have blown?

 

If it can't be resurrected I'll be in the market for a use EX47x to drop all of my drives into.

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Dave

That doesn't sound good. Are you comfortable with taking apart your 470? Maybe do a smell check for a burnt up power supply? Visual inspection, etc.

 

There is a company that is selling power supplies for the MediaSmart server if you need one.

 

http://www.mediasmartserver.net/2010/07/08/replacement-power-supplies-available-for-the-mediasmart-server/

 

The MediaSmartServer.net guys also have a power supply mod wiki article if you are comfortable modifying a replacement supply.

 

http://www.mediasmartserver.net/wiki/index.php/Replacing_the_Power_Supply

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brothercannon

I've already opened the box to do ram and cpu upgrades so I'm already familiar with the process.

 

I've been checking out replacement powersupplys and I ran across the one you mentioned. It seems a bit expensive and I wonder how the price would compare to a used EX470.

 

Well I'd best rip open the box and see if I can confirm that it was the powersupply.

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jazzerjay

Did you plug the 470 into a non-UPS plug, like a different wall socket? Or have you plugged anything else into the UPS and tested the alarm?

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jmwills

Not being familiar with that model, I cannot say if there is a reset button on the power supply or not. If it did burn up, you would be able to tell it by the smell. A replacement power might be all you need but then again, that is one of the functions of the UPS is to prevent against a surge also. Were there any other items plugged into the UPS and what is their status?

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brothercannon

Everything else that was plugged into the UPS works just fine including the pc I use media center on, to record TV shows.

 

I plugged the EX470 into a completely different power strip on a different wall outlet and the server does nothing when I press the power button.

 

I'm hoping it is just the the powersupply but it does not smell burnt from outside the case.

 

I just need to get motivated and take the EX470 apart.

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usacomp2k3

I assume you've tried leaving it completely unplugged for >15 minutes to see if that clears it?

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jmwills

The beginning is a good place to start. Take digital photos of your steps so you can retrace what you did to remove the power supply.

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