Charge your ICOCA at a fare adjustment machine or a IC card recharge machine and go through the gates again.

You can have your money refunded at a JR-WEST Ticket Office within the JR-WEST ICOCA area. Refunding incurs a fee of 220 yen.

No. ICOCA cannot be used for the Bullet Train. To use the Bullet Train purchase a separate basic fare ticket and limited express ticket.

...to go between stations in the ICOCA area.* It can not be used if the distance from the entrance station to the exit station exceeds 200 business kilometers. (There are some exce...

....westjr.co.jp/global/en/howto/icoca/area/map/all.html

No. It is not possible to purchase or charge an ICOCA card using a credit card.

It is likely that the payment when you last used the card did not go through, or that the card is damaged. Take your card to a station staff.

It is not possible to view your usage history after leaving Japan.

No. Unfortunately this is not possible.

...achines in the station. "ICOCA" can be purchased at station ticket offices within the JR-WEST ICOCA area, a vending machine with ICOCA mark, some private railways and subwa...