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Decoders lose their programming

1705 Views 5 Replies 5 Participants Last post by  Richard Johnson
I have a Lenz Set 100 with a mix of basic Lenz and Hornby (R8249) loco decoders.
If I accidently create a short circuit, eg putting a loco on the track, all decoders default to address 3.
Is this normal? It is a pain having to re program the locos!
I now know to switch off track power when placing a loco - I am just curious as to how data is actually stored in the decoders.
Can anyone offer some info on this?
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QUOTE (Edwin @ 3 Nov 2008, 21:07) <{POST_SNAPBACK}>The older Hornby decoders seem to be very prone to this. Search on this forum and you'll find many similar incidents. I don't recall any related to Lenz decoders though.

I am led to believe that these are the latest Horby decoders - I could not read the address from the older Hornby R8215 decoders but no reading problem with these

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