AIB Clover VeriFone v240 Contactless Troubleshooting
Have you attempted more than one card? This would confirm if the fault is with a particular customers card.
Otherwise 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.
Attempt a transaction for 1p to test.
If the same issue persists please click on "Chat" on the bottom-right hand corner of the screen or e-mail techsupport@card-saver.co.uk for assistance