Did you do these steps?
Program the TF4's Address & Function Outputs1. Before using your TF4, set its address. This may or may not be the same address as a mobile decoder already installed in the loco or car depending on how you are planning to use the TF4. In the case of TF4's being used as a stand alone transponder or as a function decoder, choose an address that is not the same as another mobile decoder address in use on the layout.
2. Connect the RED & BLACK wires of the TF4 to a service mode DCC programmer and program the TF4's address as you would any mobile decoder address.
TF4 Default Settings:
Here is the link:
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Dennis Cherry
Owner/Moderator
