In case you may receive a "CARD UNREADABLE" message on your AirID2 Mini please check first if the card might has moved out of the card slot within the AirID2 Mini.
Step-by-step guide
- First, switch OFF & ON again your AirID2 Mini, if problem persists continue with step 2
- Now, you shall verify that the smart card is still properly inserted into the card slot by opening the AirID2 Mini case.
- Please follow the enclosure open & close instructions on How can I change the smart card in AirID Mini?
- Make sure that the card is fully inserted in the card slot.
- Restart AirID 2 Mini, if "CARD OK" message appears, the AirID 2 Mini will be fully operational again.
- If problem persists, the card might be defect, please change your smart card.
- If problems persists after changing card, the AirID 2 Mini might be defect, please check Warranty repair - RMA (Return Merchandise Authorisation)
In very rare cases, when the AirID 2 Mini has fallen down heavily on a hard surface / floor, the smart card in the AIrID2 Mini might has been pushed out of the card slot, causing a "CARD UNREADABLE " message.