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Guest Message by DevFuse

Photo

My Deca unit caught on FIRE!


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143 replies to this topic

#21 OFFLINE   hdtvfan0001

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Posted 25 August 2012 - 08:52 AM

"I just" keep seeing the coax as what failed.
The DECAs get warm, but this heat [mostly] comes from the transmitter, which is on the other end.

"Well you know me"....

I'd remove the coax, inspect and try another to see if it works.

Inquiring minds want to know I'm told.... ;):D
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#22 OFFLINE   BubblePuppy

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Posted 25 August 2012 - 09:42 AM

Update: I just got off the phone with Taven, great guy. He was actually appalled when he read the notes from last night and saw what little was being done because of the issue. So now two HR24s will be installed Monday, the installer is instructed to go over every connection from dish to boxes and look over the burnt deca. Also he added Showtime and Starz for 6 months. When I told Missy that there won't be any more external deca's in the house she was greatly relieved as she has a deathly fear of fire...fire where it shouldn't be. I'm relieved also.
Thanks to everyone who expressed concerned and relief that nothing really bad happened. I appreciate that.
Thanks to Google search, people can appear to be smarter than they really are.

#23 OFFLINE   hdtvfan0001

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Posted 25 August 2012 - 09:46 AM

Update: I just got off the phone with Taven, great guy. He was actually appalled when he read the notes from last night and saw what little was being done because of the issue. So now two HR24s will be installed Monday, the installer is instructed to go over every connection from dish to boxes and look over the burnt deca.

That is really great news to hear about...especially the concern and follow-up.
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#24 OFFLINE   Laxguy

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Posted 25 August 2012 - 10:13 AM

Great news!

It's also caused me, and probably others, to check out various power supplies and rat's nests.... (no, I am not suggesting yours was a rat's nest!) to make sure everything is running within temp and is not enclosed.

Is there any chance any pet or animal could have chewed on the cable?
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#25 ONLINE   veryoldschool

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Posted 25 August 2012 - 10:24 AM

Is there any chance any pet or animal could have chewed on the cable?

Wouldn't look likely from the picture. The connection to the DECA looks like the point of failure "to me".
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#26 OFFLINE   NR4P

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Posted 25 August 2012 - 10:30 AM

I see an FCC label on the DECA unit but not a UL or ETL label. Those are the labs that test things for safety. I don't even plug in a 5v or 12v wall transformer unless I see a UL or ETL mark on it.

These agencies test for things like this.

#27 OFFLINE   BubblePuppy

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Posted 25 August 2012 - 12:20 PM

I thought about heat build up but the television stand where the dvr and dvd disc player are located is open in front and back so I would think there wouldn't be any heat build up. The more I look at the burnt ends the more I think there was some sort of short. What caused the short is a mystery because of the way it seemed to slowly deteriorate.
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#28 OFFLINE   P Smith

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Posted 25 August 2012 - 03:09 PM

I keep looking at the photo.
I see the coax is what overheated and caught fire in the end.
The receiver can only output 13/18 volts and less than half an amp.

It's too late to know, "but" seems like the coax had a short, or stray strand of the shield that caused this.


Other reason could be if the shield wires didn't come in good contact with F-connector (?) at DECA box; that could create some resistance ( a few Ohm) so increased voltage's drop to that level and the shield connection become a heater.

#29 OFFLINE   ndole

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Posted 25 August 2012 - 07:36 PM

I didn't realize that Directv contracted through GM for these :confused:
"He that is good for making excuses is seldom good for anything else."

#30 OFFLINE   hdtvfan0001

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Posted 25 August 2012 - 07:59 PM

I didn't realize that Directv contracted through FORD for these :confused:

Fixed your post...home of the Pinto....the only car sold with marshmellows in the glove box. :D
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#31 OFFLINE   ndole

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Posted 25 August 2012 - 09:34 PM

Fixed your post...home of the Pinto....the only car sold with marshmellows in the glove box. :D


I was thinking something more contemporary. Something with some flammable batteries :lol:
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#32 OFFLINE   viclovr

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Posted 25 August 2012 - 09:44 PM

Update: I just got off the phone with Taven, great guy. He was actually appalled when he read the notes from last night and saw what little was being done because of the issue. So now two HR24s will be installed Monday, the installer is instructed to go over every connection from dish to boxes and look over the burnt deca. Also he added Showtime and Starz for 6 months. When I told Missy that there won't be any more external deca's in the house she was greatly relieved as she has a deathly fear of fire...fire where it shouldn't be. I'm relieved also.
Thanks to everyone who expressed concerned and relief that nothing really bad happened. I appreciate that.



since the hr24 has an integrated deca unit. doesnt it mean that the same hardware from the external unit be there or is the deca built into it in a different way?

#33 OFFLINE   dielray

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Posted 26 August 2012 - 04:59 AM

since the hr24 has an integrated deca unit. doesnt it mean that the same hardware from the external unit be there or is the deca built into it in a different way?


Same or similar chips. The suspect here is the connector. I see shorts in the field daily, so this is very concerning if that is the true cause.
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#34 OFFLINE   Mike_TV

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Posted 26 August 2012 - 07:52 AM

Thanks for the follow up. Kind of sucks that you had to call multiple times to get this fixed the right way.

#35 OFFLINE   RAD

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Posted 26 August 2012 - 08:53 AM

BubblePuppy, you might want to log this problem at http://www.cpsc.gov/. Yes DIRECTV will be fixing your problem it might be worth for the Consumer Product Safety Commision to know about something that might have started a fire.

See post My Setup for configuration info.


#36 OFFLINE   P Smith

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Posted 26 August 2012 - 11:40 AM

If that broken end of the cable is permanently attached to the DECA box then DTV must recall all such DECA boxes before real tragedy will happen.
It it detachable short coax cable then quickly replace all of them.

#37 OFFLINE   BubblePuppy

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Posted 26 August 2012 - 12:10 PM

If that broken end of the cable is permanently attached to the DECA box then DTV must recall all such DECA boxes before real tragedy will happen.
It it detachable short coax cable then quickly replace all of them.


It was the permanent "Sat Rcvr/ Power" end.
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#38 ONLINE   veryoldschool

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Posted 26 August 2012 - 12:29 PM

It was the permanent "Sat Rcvr/ Power" end.

It's just a pigtail attached to a connector and then shrink tubing.
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#39 OFFLINE   P Smith

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Posted 26 August 2012 - 12:43 PM

It's just a pigtail attached to a connector and then shrink tubing.


Is there F-type (threaded)connector inside under shrink tube ?

#40 ONLINE   veryoldschool

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Posted 26 August 2012 - 12:45 PM

Is there F-type (threaded)connector inside under shrink tube ?

It looks like it, but I'm not cutting one up to find it.
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