error modem profile not set appears when your Verifone VX 570 modem profile is not properly loaded or has been errased due to Tamper error or Bad RTC. Reloading back the modem profile will sometimes fix the error, but there is also a chance that your I/O module (form where you connect the power and telephone wire) is also bad, thats needs to be repaired or replaced. Call (775)358-2922 ask for Randy. Thanks.
Backside of the I/O module of VX 570
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