What steps should be taken if calibration fails?

  If calibration fails, please follow the steps below:

   1.Remove the connected power meter spider from the bike computer;
   2.Reactivate the power meter spider;
   3.Search for and re-connect the device;
   4.Perform the calibration operation again.

  If it still doesn’t work, you can try calibrating multiple times. It usually returns to normal after several attempts.