Lifescan Sure Step Flexx Quick Refence Manual page 29

Error 4 Temperature Range:
Cause: Meter detected temperature problem.
Solution:
1.Repeat test with new test strip. Make sure
meter and test strip are at room temperature.
• Do not apply heat or cold to meter. Operating
temperature is 18°–30°C.
2.If you continue to get any error message, obtain a
laboratory result, and
• Compare color of test strip confirmation dot
to Color Chart on test strip bottle to see if
glucose level is very high or very low.
• Take appropriate steps to monitor patient
and provide medical care while awaiting
laboratory result.
3.Contact LifeScan for help at 1 800 524-7226.
26