DCC turnout issues! Help!

[tigerthelion]

Hi! I just added two more turnouts (one is a crossover) and programmed them numbers 6 and 7... now turnouts 2, 4 and 5 wont respond and when I tried reprogramming number 2(also a crossover) I get a short circuit warning! It worked perfectly for almost three years. Any idea how to fix this? Thanks!