Troubleshooting Control Solution Test
If the control solution test result is out-of-range, check the following and
repeat the test:
Check
Action
Did you do the test in control
If not, do the test again. Insert a
solution mode?
test strip; press the Up Arrow
button for control solution mode.
Do you see "CONT" on the
"CONT" should appear on the screen.
screen with the result?
Make sure the test strips and control
solutions are not past expiration date.
Have the test strips and/or
This date is shown on bottle. Make
control solution expired?
sure bottles have not been opened for
more than three months.
Were control solutions at room
If not, retest with new bottle of control
temperature (72–82°F [22–28°C])
solution, or warm up/cool
when used?
down to room temperature.
Does the code on the test strip bottle
If not, obtain a new bottle of test strips.
match the code on the meter screen?
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