98bf30f6_cess_ATM___Hyosung_Error_Codes__Description
[Code] D1704 [Resolution] Phone line connected to ATM will not support data communication. In line filter may help this. Excessive EMI emissions from outside source (neon sign, freezer)are likely causes. This can also be a problem with programming, check all programming (especially Dual Master Key setting and Host Processor Mode). [Description] 
Modem connection error
Access ATM » Hyosung Error Codes
Description