The meter will not turn on or the display is blank.

Fluid or foreign material may be present in the test strip…

Your blood sample may contain a high level of ascorbate.

The test strip may be damaged.

The time and date setting may be incorrect.

The batteries may be out of power.

The temperature is above or below the proper range for the…

An electronic error occurred.

Blood was applied to the test strip before the flashing drop…

Not enough blood or control solution was drawn into the test…

A meter or test strip error has occurred.

The test strip may be damaged, not properly inserted, or has…

The batteries are almost out of power.

The meter was unable to pair with a mobile device.

The meter is connected to a PC, a blood glucose test cannot be…