 Joined: 18/11/2012(UTC) Posts: 355
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As I was changing the traction tires on my 37550 the blue wire broke off from the pick-up bridge on the loco frame (not at the decoder). No problem; re-soldered it. As I was changing the traction tires on the other side I noticed the black wire came loose. No problem; re-soldered and put the loco back together. Now the loco only runs forward even when I put my MS2 into reverse. Everything else is fine. Go figure. I checked continuity with my meter and found no short. Maybe I smoked the decoder? The color order on the terminal is RED, GREY, BLACK, BLUE, GREEN, BROWN. I checked with my loupe and all the connections seem OK. Any ideas? Thanks! |
Ken
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Joined: 12/08/2006(UTC)
Posts: 9,278
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How long did you owned this locomotive?
Did you check if you didn´t switched wires in wrong way? |
H0
DCC = Digital Command Control
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 2 users liked this useful post by Goofy
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Joined: 10/02/2021(UTC) Posts: 3,911 Location: Michigan, Troy
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That Goofy, or just a tiny bit of too much solder may have caused a short to the bogie. Any buzzing when trying to chabge the direction?
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1 user liked this useful post by marklinist5999
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Joined: 18/11/2012(UTC) Posts: 355
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Thanks for the suggestions guys; kind of what I was thinking.
I did solve my problem though. I un-installed the loco from the MS2 and then re-installed. BINGO! Runs like a champ.
I would still like to know what happened but I'll take the win. These digital locos are like computers; when there is a glitch in the software reboot the system first and see what happens!
Thanks guys! |
Ken
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1 user liked this useful post by LA2019
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Joined: 10/02/2021(UTC) Posts: 3,911 Location: Michigan, Troy
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Yes, a cold reboot is usually the best thing. Maybe newer decoders trip an internal safety protection mode in the event of a short circuit and go to sleep or partially.
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1 user liked this useful post by marklinist5999
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