I have an Atlas F3 powered A unit from 2009 that has very poor performance from speed step 1 to 30. Below speed step 30 it is very hesitant and jerky. Above speed step 30 the operation is smooth. A night and day difference.
It has a TAS EOB installed and set to 128 speed steps.
I am using Lionel Legacy to control it. The engine is set in the controller to REL100.
I have two other F3s from the same manufacture period, an A and a B, setup in the same manner as the problem unit and they do not exhibit this same performance issue.
I have expermimented with the Background Pulse setting but it had no effect on the problem so i put it back to the default.
I have also reprogrammed the R2LC board to the default and then set the engine ID and speed step to 128. The problem persistented.
Any have any thoughts as to the cause of the problem and/or a resolution?
Thanks,
George
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