Hey @cornettfarmfres,
Sorry for the trouble you were having at the grand opening. That sounds frustrating.
The only thing I could think of is that the internet was going out since the internet is required for it to read the chipped cards.
In the future- if you're ever needing help troubleshooting immediately I would reach out to our direct CS team here.
You can request your customer code to give us a call so we can help you in real time. The Seller Community is typically for seller-to-seller conversation.
Ashley C
Community Moderator, Square
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