When checking in at the lounge, be sure to present your QR code and identify yourself with your LoungeKey Pass.
If the lounge has an issue reading your QR code, ask them to manually input the Lounge Identifier Number provided directly under the QR code on your pass.
If you still face further issues please contact the LoungeKey customer support team on +44 (0) 0208 865 3117 or at loungekeypass@loungekey.com.