POWEREDGE 860 PCIe training error: slot 2

error slotHope someone can help. Whenever I try and play blueprint slots on free play I always get a black box displaying the message internal server error whenever I try to spinUnderstand what each error lht codes means that's causes coin rejection1 - 1st Pair Not Contact2 - 2nd Pair Not Contact1-2 - 1st & 2nd Not Contact1-3 -st