CCB display can not recognize the chip may have the following reasons:
1. Chip damage: The chip may be physically damaged or circuit failure, resulting in normal identification.
2. The chip is not compatible with the card reader: different models of the chip and the card reader may have compatibility problems, resulting in failure to identify.
3. Poor chip contact: Poor contact between the chip and the card reader may be caused by dirt, oxidation and other reasons.
4. The chip is locked: If the chip is locked or the password is wrong, it will also cause unrecognition. It is recommended that you check the chip for damage, try to replace the card reader or clean the chip contact point, and make sure the chip is not locked or the password is correct. If the problem persists, you are advised to contact CCB customer service or go to the bank counter for help.
CCB display can not identify the chip may have the following reasons:
1. The chip is damaged or aged, causing the information cannot be read normally.
2. The chip is incompatible with the card reading device, and the device needs to be updated or the chip replaced;
3. The card reader is faulty and cannot read the chip information correctly.
4. The bank system is faulty and cannot identify the chip information. It is recommended that you contact the bank customer service or go to the bank counter to consult, they will help you solve the problem.
The display cannot identify the chip, it may be because the chip is badly worn and can not be read, it may be that the chip has exceeded the use period, it may be that the bank card has been demagnetized.
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Bank card chip has a validity period, generally ten years of validity, more than the use of the term of the card or serious wear can not be identified, in the cash machine may show chip abnormalities. Often putting a bank card with a magnetic item together will cause the bank card to be demagnetized. It is best to install the bank card in a hard wallet, and pay attention to stay away from the bag's magnetic buckle to prevent the chip from degaussing or wearing. Do not randomly put the bank card in the cluttered bag, to avoid coins, keys wear and scratch the chip.