Take the terminal off charge > Hold down the YELLOW clear key AND the FULL STOP key at the same time to switch off the terminal > Leave for 10 seconds > Hold down the GREEN enter key to power on > Main menu should be displayed > Insert any credit or Debit card and test a 1p transaction sale > If the problem persists, ... https://www.retailmerchantservices.co.uk/help-support/support-detail-pages/Card-Terminal-Support/ingenico-terminal-with-global-payments/
Answers & Comments
Take the terminal off charge > Hold down the YELLOW clear key AND the FULL STOP key at the same time to switch off the terminal > Leave for 10 seconds > Hold down the GREEN enter key to power on > Main menu should be displayed > Insert any credit or Debit card and test a 1p transaction sale > If the problem persists, ...
https://www.retailmerchantservices.co.uk/help-support/support-detail-pages/Card-Terminal-Support/ingenico-terminal-with-global-payments/