The indicator on the magnetic wireless charger often flashes blue when the wireless charger detects a metal attachment or a non-magnetic phone case; additionally, it could also be the power supply has a low voltage. Please refer to the following troubleshooting tips that may help locate and resolve the problem:

Please ensure your phone is either iPhone 12 or iPhone 13 series phones.
Restart your phone and then try again.
Charge the phone with its case removed since it is incompatible with non-MagSafe phone cases.
Try using a different PD wall charger and a USB-C to USB-C cable to power the wireless charger.

If you have any further questions, please contact us for assistance.