Decoder Help with the Kato SDP40F

Hey Guys,

Bought a TCS K7D4 to put in my Amtrak SDP40F....I had to put tape for insulation on the tabs that go on both sides of the board to keep it from shorting out, but now it just wants to go backward on full......Anybody having this type of issue?????

Thanks,

 

Soooooo.....NOBODY has had an issue with the SDP40F and a decoder?????

 

I've had it happen with another decoder (it's the decoder btw) I forgot which type though

 

I think that backward on full means the power from the track is getting routed directly to the motor. It looks like you need to better insulate the two copper "motor tabs" that reach down to motor from the circuit board.

Here is an image https://www.katousa.com/N/SD70ACe/maint/SD70ACe-DCC-4.jpg from Kato's web site.

 

Talked to TCS at Milwaukee show...I'll just send it back.