Lifescan OneTouch SS Xpress Instructions For Use Manual page 78

E3 Used Strip Error
The test strip was previously used.
Action: Repeat the test with a new test
strip. If the error persists, perform the
test using an alternate test strip vial or
alternate method.
E4 Short Sample Error
An insufficient sample volume (Control Solu-
tion or blood) was drawn into the test strip.
Action: Repeat the test with a new test
strip. If the error persists, perform the test
using an alternate test strip vial or alter-
nate method.
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Troubleshooting