We had a Spike fail; the cause was pretty obvious: the 12V and ground were wired into M+ and M-, and my clue that something was wrong was when the circuit breaker tripped about 15 times and the wires got really hot.
We also have had a lot of pins bending; one bent completely flat after we put the relay module back in -- it didn't respond, so we took it out and discovered this. It was incredibly nerve racking to have to unbend this pin YESTERDAY -- no time to get a new CRIO from NI if it was irreparable. It was probably the scariest thing I've had to do
but it works now. Just be very careful when inserting modules and only remove them when you must...
I also had to unbend pins on the digital sidecar, but I suspect these got bent when someone dropped a battery onto a jaguar... yeah, that left a nice dent.
Corrected, math isn't my strong point (I went to art school for a reason) - KelliV [more] 
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