Question about Swiss point of care Mission 3-in-1 cholesterol test strips

Do we have to throw away the device if there is an error E-6 on screen. I am using device for almost a year now. Can someone help me to re-calibrate this device if possible.

We have checked our stock and the items have the correct expiration date. I am very sorry that you have received an item that has expired. You can return the item to us as follows: https://helpcenter.galaxus.ch/hc...