Message | What it means | What to do |
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| You may have a very | |
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| high blood glucose | If the result is HIGH GLUCOSE |
| level (severe | again, obtain and follow |
| hyperglycemia), over | instructions from your healthcare |
| 600 mg/dL. | professional without delay. |
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Meter is too hot (above 111°F) or too cold (below 43°F) to work correctly.
Understanding error | and other messages |
Wait a few minutes and insert a new test strip. If you do not get another TEMPERATURE ERROR message, the meter is now within the operating range.
54 | Customer Service 1 800 |