I have two units of ZKTeco F18 having the same error.
Authentication Failure.
Any help?
Hello:
A point of clarification - are these ZKTeco or ZKAccess F18s?
Tech support sources vary based on where the units were purchased?
Brian,
This is the link.
http://m.zkteco.com/m/prod_view.aspx?TypeId=29&Id=178&Fid=t3:3:3
Thanks.
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