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Guest Message by DevFuse

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My Deca unit caught on FIRE!


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143 replies to this topic

#126 OFFLINE   dpeters11

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Posted 03 October 2012 - 10:05 AM

Yes, to me the impressive thing is their response. They didn't just tell you to throw out the old one and send you a new one. Even if nothing more is heard about it, it shows that they really did take it seriously, not just a standard press statement "we're taking this very seriously."

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#127 OFFLINE   P Smith

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Posted 03 October 2012 - 10:28 AM

Yes, to me the impressive thing is their response. They didn't just tell you to throw out the old one and send you a new one. Even if nothing more is heard about it, it shows that they really did take it seriously, not just a standard press statement "we're taking this very seriously."


OMG. That's show how we beaten down to dust with "our" problem related to equipments what the companies selling/renting to us.

We see normal [PROPER] reaction of the company and ppl start qualifying this as high courteous handling.

Definitely our brains washed seriously. :(

#128 OFFLINE   BubblePuppy

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Posted 03 October 2012 - 02:32 PM

OMG. That's show how we beaten down to dust with "our" problem related to equipments what the companies selling/renting to us.

We see normal [PROPER] reaction of the company and ppl start qualifying this as high courteous handling.

Definitely our brains washed seriously. :(


I have to disagree.
All Directv had to do was send a return box for the Deca (and the dvr if necessary) and send me a new Deca or send out a installer to attach the new Deca and make sure the HR20 was working. They did not have to replace the HR20 that was involved with fire sight unseen.
At my request Directv replaced both dvrs of my with two HR24s. How many times will Directv replace a unit with a requested model? Not often from what I read. You get what they send you, no guarantees which model you get.

Directv had the installer of the HR24s go over every connection and connector, cable to cable, from satellite to wall outlet. He could have just connected the dvrs, made sure the two were working and left.
And to top it all off Directv flies out Clayton from Los Angeles to Missouri to go over everything again, plus perform even more intensive testings. he spent over 3+ hours at my house.
And again, all Directv could have done is send me a return box and replace the burnt deca.
There is no way I will say that Directv gave me standard, everyday service. This transcended that..for what ever the motives were.
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#129 OFFLINE   hdtvfan0001

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Posted 03 October 2012 - 03:28 PM

I have to disagree.
All Directv had to do was send a return box for the Deca (and the dvr if necessary) and send me a new Deca or send out a installer to attach the new Deca and make sure the HR20 was working. They did not have to replace the HR20 that was involved with fire sight unseen.

At my request Directv replaced both dvrs of my with two HR24s. How many times will Directv replace a unit with a requested model? Not often from what I read. You get what they send you, no guarantees which model you get.

Directv had the installer of the HR24s go over every connection and connector, cable to cable, from satellite to wall outlet. He could have just connected the dvrs, made sure the two were working and left.
And to top it all off Directv flies out Clayton from Los Angeles to Missouri to go over everything again, plus perform even more intensive testings. he spent over 3+ hours at my house.
And again, all Directv could have done is send me a return box and replace the burnt deca.
There is no way I will say that Directv gave me standard, everyday service. This transcended that..for what ever the motives were.

It seems quite fair to say that they demonstrated real concern on your situation, went the extra mile to investigate, and did the right thing to get you new replacement units.
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#130 OFFLINE   P Smith

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Posted 03 October 2012 - 04:44 PM

I have to disagree.
All Directv had to do was send a return box for the Deca (and the dvr if necessary) and send me a new Deca or send out a installer to attach the new Deca and make sure the HR20 was working. They did not have to replace the HR20 that was involved with fire sight unseen.
At my request Directv replaced both dvrs of my with two HR24s. How many times will Directv replace a unit with a requested model? Not often from what I read. You get what they send you, no guarantees which model you get.

Directv had the installer of the HR24s go over every connection and connector, cable to cable, from satellite to wall outlet. He could have just connected the dvrs, made sure the two were working and left.
And to top it all off Directv flies out Clayton from Los Angeles to Missouri to go over everything again, plus perform even more intensive testings. he spent over 3+ hours at my house.
And again, all Directv could have done is send me a return box and replace the burnt deca.
There is no way I will say that Directv gave me standard, everyday service. This transcended that..for what ever the motives were.

That's typical enduser point of view.

I'm talking from opposite side and common rules: they did nothing extra; if you would work for any company where is fire could start by the equipment, you'll know how handle such cases properly. Telling you ... (had experience working with Li-Ion batteries and you know last years issues with these)

#131 OFFLINE   MalcolmG

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Posted 04 October 2012 - 08:38 AM

Saw this paper and thought of this thread. Interesting read.http://www.kodiakcon...ource_Final.pdf

#132 OFFLINE   P Smith

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Posted 04 October 2012 - 09:42 AM

That's why I hate see white residue on PCB (boards); always cleaning it by isoprpanol.

But seen that very often :(.

#133 ONLINE   Laxguy

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Posted 04 October 2012 - 09:51 AM

If you are going to be this concerned about potential fires, you'll never get in a car again. Vehicle fires happen much more frequently that BubblePuppy's problem. From 2002 to 2005, there were an average of 305,800 vehicle fires per year, causing on average 520 deaths and 1,640 injuries. link

In BP's case, there was one fire that caused no deaths or injuries.

So, in other words, if you have to travel from Chicago to Los Angeles, take a DECA, not a car. :grin:


Heh.....

If you have any fear of DECAs being vulnerable (I don't), keep them away from enclosures. That'd also ensure that the cable and its connectors have air circulating around them, and that a visual might show scorching before any danger of any combustion.
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#134 OFFLINE   hdtvfan0001

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Posted 04 October 2012 - 09:55 AM

If you have any fear of DECAs being vulnerable (I don't), keep them away from enclosures. That'd also ensure that the cable and its connectors have air circulating around them, and that a visual might show scorching before any danger of any combustion.

Agree.

I've used as many as 5 external DECa units at one time (no longer though, as DECA is internal in all my units). No fear here to reuse one if I need to add one of my dormant older units back into the network.
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#135 OFFLINE   BubblePuppy

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Posted 09 December 2012 - 03:27 AM

Very interesting article.
Perhaps my Deca grew whiskers and needed a shave.
http://www.sc.edu/ne...71#.UMRY4KNMHJt

Edited by BubblePuppy, 09 December 2012 - 03:34 AM.

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#136 OFFLINE   Steve

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Posted 09 December 2012 - 06:32 AM

Very interesting article.
Perhaps my Deca grew whiskers and needed a shave.
http://www.sc.edu/ne...71#.UMRY4KNMHJt

Fascinating stuff.

I hope they're wrong about this:

Some observers even predict that it’s only a matter of time before miniature devices built after the ban [on adding lead to tin solder] start failing en masse.


/steve

#137 OFFLINE   wrj

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Posted 09 December 2012 - 08:53 AM

Very interesting article.
Perhaps my Deca grew whiskers and needed a shave.
http://www.sc.edu/ne...71#.UMRY4KNMHJt


I was the head of a design group and we encounter this issue on one of our designs. However, I do not believe it is a massive issue as suggested by this article.

First, we had to use a scanning electron microscope to even see the whiskers. in enough detail. Also, they occurred only in a particular portion of the circuit where the impedance was right. And finally, proper cleaning of the circuit board (after wave solder) fixed the issue. Since most PWAs today predominately use SMT (surface mount) and there is quite a bit of lead free soldering, I wonder how significant this will really be. It would be interesting to hear from an expert in this area. BTW, it didn't take very long for issues to show up for us either. I'm not convinced this is a ticking time-bomb.

#138 OFFLINE   Carl Spock

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Posted 09 December 2012 - 08:58 AM

Tin Whiskers

Great name for a rock band.
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#139 OFFLINE   Richierich

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Posted 09 December 2012 - 03:11 PM

I just have the feeling this will be handled internally from here out.


I agree.
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#140 OFFLINE   Carl Spock

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Posted 09 December 2012 - 03:43 PM

I'm not convinced this is a ticking time-bomb.

It's the End Of The World!

Tin whiskers could cause Toyotas to accellerate

http://www.huffingto..._n_1221076.html

satellites to fail

http://nepp.nasa.gov...lures/index.htm

computers to die

http://www.guardian....rch.engineering

and pacemakers to be recalled.

http://www.fda.gov/I...s/ucm072921.htm

You could DIE because of tin whiskers!

(But then, if you haven't had your 1970s pacemaker replaced by now, you're probably dead, anyway.)

:D

And there already is a rock band.

http://www.tinwhiskersband.com/
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#141 ONLINE   Laxguy

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Posted 10 December 2012 - 09:16 AM

Great research!
I think I won't read the articles, though, as I want to sleep tonight! :eek2:
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#142 OFFLINE   dmurphy

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Posted 10 December 2012 - 09:23 AM

Very interesting article.
Perhaps my Deca grew whiskers and needed a shave.
http://www.sc.edu/ne...71#.UMRY4KNMHJt


Been there, done that, been on the unlucky end of tin whisker contamination.

Quoted from: Page 52: http://www.filibeto....A5201-10024.pdf

Zinc Particulate Contamination
Metallic particulates can be especially harmful around electronic equipment. This type of contamination may enter the data center environment from a variety of sources, including but not limited to raised floor tiles, worn air conditioning parts, heating ducts, rotor brushes in vacuum cleaners or printer component wear. Because metallic particulates conduct electricity, they have an increased potential for creating short circuits in electronic equipment. This problem is exaggerated by the increasingly dense circuitry of electronic equipment.
Over time, very fine whiskers of pure metal can form on electroplated zinc, cadmium, or tin surfaces. If these whiskers are disturbed, they may break off and become airborne, possibly causing failures or operational interruptions. For over 50 years, the electronics industry has been aware of the relatively rare but possible threat posed by metallic particulate contamination. During recent years, a growing concern has developed in computer rooms where these conductive contaminants are formed on the bottom of some raised floor tiles.
Although this problem is relatively rare, it may be an issue within your computer room. Since metallic contamination can cause permanent or intermittent failures on your electronic equipment, Hewlett-Packard strongly recommends that your site be evaluated for metallic particulate contamination before installation of electronic equipment.


I've seen bulk power supplies flame out in front of my eyes due to whisker contamination.... it's rare, but real.

#143 OFFLINE   Richierich

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Posted 10 December 2012 - 09:24 AM

Saw this paper and thought of this thread. Interesting read.http://www.kodiakcon...ource_Final.pdf


Quite an amazing Article and amazing Research and to think that small amounts of Lead could solve this problem. :)
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#144 ONLINE   Laxguy

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Posted 10 December 2012 - 09:26 AM

Quite an amazing Article and amazing Research and to think that small amounts of Lead could solve this problem. :)


Yes, but then you'd have the huge problem of kids eating DECAs and such......:nono2:
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