I was trying to add new track to my C track layout and installed a double slip turnout with a 74460 decoder. It appeared to work initially, but then quit. The solenoid portions work fine, but I tried 2 decoders and neither worked. Now, only one of the remaining 3 decoders are working, They previously worked fine. I checked integrity of track and trains run, but Ecos does not result in any results, no matter what I do with addresses, etc.

Has anyone had such a problem or any things I can check?
Thanks!

I've tried the motors and they are all working fine when connected without the decoders. And it happened to three of the turnouts all at once!

Have you checked to be sure the feeder wire orientation from your controller is correct? As I recall the 74460 decoders require red to be B and brown to be O.

Also check to be sure the accessory protocol is set to mm/mm2.

When checking turnout decoder functionality I usually connect a MS2, turnout decoder and a known good motor to single piece of track for testing, this eliminates any variables that make affect operation. I have found the 74460 to be very reliable in comparison to the 74490/1.

Cheers,
Gordon