According to your description, there may be the following reasons for not receiving a reminder notice three days after the Ping An Credit Card is overdue:

1. Delay in sending reminder notices: the bank is processing a large number of accounts There may be system delays or manual processing negligence, resulting in the dunning notice not being sent in time.

2. Email notifications are blocked: Sometimes dunning notifications may be recognized as spam by the email provider, enter the spam folder, or be blocked by automatic filtering.

3. Communication problems: In some cases, due to network failure, unstable mobile signal or change of phone number, the reminder notice cannot be delivered to you in time.

The above situation is not common, but it may still happen in actual operation. If you are worried about the consequences of an overdue credit card, it is recommended that you proactively contact Ping An Bank customer service and ensure that you provide accurate contact information to receive reminder notifications.

To sum up, failure to receive a reminder notice three days after the Ping An credit card is overdue may be due to delay in sending the reminder notice, interception of emails or communication problems. Although this situation is uncommon, it is still recommended that you contact the bank proactively to ensure that you understand the specific circumstances of overdue repayment in a timely manner.

Extended information: Banks usually send reminder notices through text messages, phone calls, emails, etc. to remind customers to repay in time. Late repayments may result in negative consequences such as a decline in credit rating, late fees or penalty interest, so it is important to keep abreast of your account status and maintain communication with your bank.

Please note that the above information is for reference only and is not an exact explanation of a specific situation. For accurate solutions, please consult Ping An Bank directly.