---
title: PaymentCardReaderError.readerBusy
framework: proximityreader
role: symbol
role_heading: Case
path: proximityreader/paymentcardreadererror/readerbusy
---

# PaymentCardReaderError.readerBusy

An error that indicates the card reader is busy.

## Declaration

```swift
case readerBusy
```

## Discussion

Discussion This error can occur when the system is unable to prepare the card reader because the device is already being configured. Try to prepare the card reader again by calling the prepare(using:) method.

## See Also

### Getting the error code

- [PaymentCardReaderError.accountAlreadyLinked](proximityreader/paymentcardreadererror/accountalreadylinked.md)
- [PaymentCardReaderError.accountDeactivated](proximityreader/paymentcardreadererror/accountdeactivated.md)
- [PaymentCardReaderError.accountLinkingCancelled](proximityreader/paymentcardreadererror/accountlinkingcancelled.md)
- [PaymentCardReaderError.accountLinkingCheckFailed](proximityreader/paymentcardreadererror/accountlinkingcheckfailed.md)
- [PaymentCardReaderError.accountLinkingFailed](proximityreader/paymentcardreadererror/accountlinkingfailed.md)
- [PaymentCardReaderError.accountLinkingRequiresiCloudSignIn](proximityreader/paymentcardreadererror/accountlinkingrequiresicloudsignin.md)
- [PaymentCardReaderError.accountNotLinked](proximityreader/paymentcardreadererror/accountnotlinked.md)
- [PaymentCardReaderError.backgroundRequestNotAllowed](proximityreader/paymentcardreadererror/backgroundrequestnotallowed.md)
- [PaymentCardReaderError.deviceBanned(_:)](proximityreader/paymentcardreadererror/devicebanned(_:).md)
- [PaymentCardReaderError.emptyReaderToken](proximityreader/paymentcardreadererror/emptyreadertoken.md)
- [PaymentCardReaderError.invalidMerchant](proximityreader/paymentcardreadererror/invalidmerchant.md)
- [PaymentCardReaderError.invalidReaderToken(_:)](proximityreader/paymentcardreadererror/invalidreadertoken(_:).md)
- [PaymentCardReaderError.merchantBlocked](proximityreader/paymentcardreadererror/merchantblocked.md)
- [PaymentCardReaderError.modelNotSupported](proximityreader/paymentcardreadererror/modelnotsupported.md)
- [PaymentCardReaderError.networkAuthenticationError](proximityreader/paymentcardreadererror/networkauthenticationerror.md)