Test strip already used or wet
Display: „Err" & „Test strip symbol"
Solution: Use a new test strip.
Test result is higher than 630 mg/dL (35.0
mmol/L)
Display: „HI"
Solution: Test again. If the result is still too
high, please contact your doctor immedia-
tely.
Test result is under 20 mg/dL (1.1 mmol/L)
Display: „LO"
Solution: Test again. If the result is still too
low, please contact your doctor immediately.
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