User's Manual

TROUBLESHOOTING GUIDELINES
Transactions Fail to Process
32 C680 INSTALLATION GUIDE
Ensure that the card is inserted correctly and that the card is not removed
prematurely.
Contact your Verifone distributor or service provider.
If the manual transaction does not work, proceed to Check the Signal
Strength.
Check the Signal Strength
On-screen signal-strength indicator displays at least one bar to indicate
connectivity to radio network.
Ensure that the radio has been activated by your service provider.
.