Half Sidecar PWM Ports Working

[afclsn]

Originally Posted by Al Skierkiewicz

We had a similar failure but do not expect this to be your exact issue. We started to lose PWM outputs one after another until half the board had no output. We replaced the DSC and checked the bad one only to find a crack. The way the board is laid out, the crack cut the lines to one of the output devices but not the others.

2 digital sidecars did the same thing, including a brand new one from the KOP. We also opened up the digital sidecar and do not see any cracks/debris/etc.

any other ideas?

thanks.