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Life Span of a Decoder...

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  • Member since
    August 2004
  • From: Amish country Tenn.
  • 10,027 posts
Life Span of a Decoder...
Posted by loathar on Tuesday, September 16, 2008 3:35 PM

OK, I'm now down to 50% success rate on my MRC decoders. Of the two I own, the first one I installed just failed. It was an old AD 350 that I got for free and lasted one and a half years so I wasn't too bummed out. I think it got a short from a wiring error I caused with a pinched wire.

Just wondering, with this lasting as long as it did and my first NEC lasting 6 hours before it smoked, anybody have a guess at a "typical" life span of these things? Should I just be expecting to replace these things after X amount of time regardless of manufacturer??

  • Member since
    January 2007
  • From: Eastern Shore Virginia
  • 3,290 posts
Posted by gandydancer19 on Tuesday, September 16, 2008 3:54 PM

If the decoder is a good one (Soundtraxx, LOK, QSI, or other GOOD decoder (not MRC)), and it has been installed correctly with no exposed bare wires, they should last almost forever.

If you are having trouble with your decoders smoking after you install them, you may be doing something wrong.  If you can't find out what, it may be worth having them installed professionally.

Elmer.

The above is my opinion, from an active and experienced Model Railroader in N scale and HO since 1961.

(Modeling Freelance, Eastern US, HO scale, in 1962, with NCE DCC for locomotive control and a stand alone LocoNet for block detection and signals.) http://waynes-trains.com/ at home, and N scale at the Club.

  • Member since
    August 2004
  • From: Amish country Tenn.
  • 10,027 posts
Posted by loathar on Tuesday, September 16, 2008 3:58 PM
The NCE was a factory install. The replacement I installed seems to working fine, but I guess time will tell.
  • Member since
    June 2004
  • From: Orig: Tyler Texas. Lived in seven countries, now live in Sundown, Louisiana
  • 25,640 posts
Posted by jeffrey-wimberly on Tuesday, September 16, 2008 4:03 PM
Both of the MRC decoders (non-sound) that I tried both smoked within half a day. I've had good service from other decoders I've installed, included a second-hand Bachmann decoder that's been going for about two years now.

Running Bear, Sundown, Louisiana
          Joined June, 2004

Dr. Frankendiesel aka Scott Running Bear
Space Mouse for president!
15 year veteran fire fighter
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  • Member since
    July 2003
  • From: Sierra Vista, Arizona
  • 13,757 posts
Posted by cacole on Tuesday, September 16, 2008 4:09 PM
I have installed nearly 100 non-sound and sound decoders over the years, and MRCs are the only ones that I have ever had a problem with.  The very first decoder I ever installed was a Digitrax and it is still going strong, just like the Energizer bunny.  I have used Lenz, Digitrax, NCE, TCS, and SoundTraxx and LokSound with not a bad one in the batch.  MRCs struck out with 4 out of 5 bad ones.

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