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Error codes E-5

The meter is exposed to too much light. Go to a shaded place or shade the meter, for example with your body.

Do not perform a test when the meter and the test strips are exposed to direct sunlight. Go to a shaded place or shade the meter, for example with your body.

If the meter is exposed to too much light, the meter does not allow any tests to be performed. In this case the following error message appears on the display.

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Get the most out of your Accu-Chek products with support and troubleshooting tips.

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Error codes E-2

Your blood glucose value may be very low. If you have typical symptoms of a very low blood glucose, immediately follow your healthcare professional’s instructions for such cases. Repeat the test afterwards.

  • You removed the test strip from the meter in order to apply blood and did not slide it back in it within 20 seconds.
  • The test strip was bent or moved while testing was in progress.
  • You applied too little blood or control solution to the test strip.
  • You waited too long before applying a second drop of blood or control solution. Start the blood glucose test from the beginning with a new test strip.

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Error codes E-1

  • You did not slide the test strip in correctly or completely. Hold the test strip so that the arrows printed on it and the green square face upwards. Without bending it, gently slide the test strip into the test strip guide in the direction of the arrows. You must feel the test strip lock into place.
  • You slid a used test strip into the meter.
  • You applied blood or control solution to the test strip too soon, i.e. before the drop symbol flashed on the display. Start the blood glucose test from the beginning with a new test strip.
  • The measurement window is dirty. Clean the measurement window.

Product Support

Get the most out of your Accu-Chek products with support and troubleshooting tips.

Product Support

Get the most out of your Accu-Chek products with support and troubleshooting tips.