3. If the control solution testing result is out of range:
POSSIBLE CAUSE
Error in performing the test.
Control solution vial was poorly
shaken.
Expired or contaminated control
solution.
Control solution that is too warm or
too cold.
Defective test strip.
Monitor malfunction.
60
WHAT TO DO
Read instructions thoroughly and
repeat the test again.
Shake the control solution vigorously
and repeat the test again.
Check the expiration date of the
control solution.
Control solution, monitor, and test
strips should be at room temperature
(68 ° F to 77 ° F / 20 ° C to 25 ° C)
before testing.
Repeat the test with a new test strip.
Please contact customer service.