It refers to the error that when the card reader communicates with the IC card, the card reader sends a power-on command to the IC card, but the IC card can't respond correctly or the response is overtime, which leads to the failure to read the information of the IC card normally.

This situation may be caused by poor contact between IC card and card reader, IC card damage, card reader failure and other reasons. The solution to this problem is as follows:

First of all, check whether the contact between IC card and card reader is good, and ensure that there is no dust and stain at the contact point.

Secondly, check whether the IC card has physical damage, such as scratches or chip damage.

Finally, to eliminate the possibility of card reader failure, you can try to switch to other card readers for testing.