error slotUnderstand 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 -stThank you Z440Roger for the reply, The Firepro W7100 was in slot 2. I did find the problem it seems that the card was not seating well on the slot #2. Removing and putting back