There is unfortunately no "unblock" button on the card readers at the station. You must resolve the issue through the Clipper customer service system.
Other less common reasons include:
Once I reached a real person, they fixed it in 2 minutes. But the lack of self-service for such a common issue (insufficient funds, missed tap, etc.) is ridiculous in 2025. unblock clipper card
Had to jump through hoops to unblock my card There is unfortunately no "unblock" button on the
Before you can fix the issue, it helps to understand why it happened. The most common reason for a blocked Clipper card is unblock clipper card