First Data was contacted (1-800-238-7675) and reported the situation with that POS where the credit cards can be processed but the debit cards don't.
The information below was given to them:
ID: 06207780003
Business phone: 305-673-0859 / 305-866-0459
Address: 550 Meridian Ave. Miami Beqach, FL 33139
Base Terminal: Verifon OMNI 7000 MPD
SN: 767009862
Was verified with Karen that the device is working properly.
Service Time: Two (2) hours