Reboot the card terminal by holding down the red cross button on the keypad. This will display a power panel after 5-10 seconds. Select Reboot/Restart.
On the sale screen, press the grey box at the bottom of the screen.
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Select Management.
Select Settings.
Select Communication.
Enter your terminal password followed by the green button.
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If Mobile Data displays as "up" then please try a 1p transaction to test.
Otherwise we need to do a restart of the GPRS interface
Select More.
Select Configuration.
Select Start/Restart Network Interface at the bottom of the screen.
Select Mobile Data.
If "Internal Error" appears again, please e-mail tech.support@card-saver.co.uk for assistance. An agent will then contact you as soon as possible.