I went through 3 decoder before finally taking the circuit board apart.... and there I found the bug: One of the soldering connections of the 9PIN connector in the front connected two wires. Solution: Complete removal of the 9PIN connector in the front, connect the decoder to the 8-Pin connector and the thing is working!
I am actually quite disappointed by Althearn. Such manufacturing errors should get noticed. Also the couplers of the train set need to be exchanged to be coupled to the loco...
I am actually quite disappointed by Althearn. Such manufacturing errors should get noticed. Also the couplers of the train set need to be exchanged to be coupled to the loco...