The battery is almost empty

The battery is empty or you have inserted the battery the wrong way round.

The test result is lower than 0.6 mmol/L (10 mg/dL).

The test result is higher than 33.3 mmol/L (600 mg/dL).

Averages cannot be calculated.

The meter has been disconnected from the computer (PC).

The meter is connected to a computer (PC).

The ambient temperature or the meter temperature is too low or too high for a test.

A meter error has occurred.

The meter is exposed to too much light.

The meter was exposed to a strong electromagnetic field.

While the test was in progress, you connected the meter to a computer that was on.

E-2 Your blood glucose value may be very low.

E-1 You did not insert the test strip into the meter correctly or completely.