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Symbols, problems and error messages
You have inserted a used test strip into the meter.
Start again from the beginning with an unused test strip.
The measuring window is dirty.
Clean the measuring window (see Chapter 8).
You did not insert the test strip correctly or completely.
Hold the test strip so that the arrows printed on it and the orange square face up-
wards. Without bending it, gently push the test strip into the test strip guide in the
direction of the arrows until you feel it lock into place.
You applied blood or control solution to the test strip too soon, i.e. before the drop
symbol flashed in the display.
Repeat the test with a new test strip.
The test strip was bent or moved while testing was in progress.
Repeat the test with a new test strip.
The meter was exposed to a strong electromagnetic field.
Change your position or turn off the source of radiation.