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Just another modeller
9,983 Posts
***The probelm is the basic hornby controller. It has a very poor DCC waveform and an unstable unregulated power supply section, and has no filtering during the start up phase.

When it is turned on, for a few seconds it is sending rubbish information to the track. This confuses some decoders and can also be slightly destructive. This is why your Bachmann loco which has a properly conformant decoder has issues at the start.

Try ading an on-off switch between the controller and track. Turn it off when the system is turned off. Then, when you restart the system, wait for about ten seconds after turning on the Hornby DCC before turning it on. This will give time for the output to be a little more stable before it is allowed to go to the track.

Regards and Merry Christmas

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