The meter is used
outside the proper
range of
temperature.
The used test strip
was inserted in the
test port.
The test strip was
removed during
testing.
The blood sample
or control solution
was improperly
applied or there
was an electrical
noise during the
test.
Leave the meter at
a temperature
between 10~40
℃
(50~104
℉
for at
least 30 minutes
before repeating
the test.
Retest with a new
test strip.
Retest with a new
test strip. Do not
remove the test
strip until test
result appears on
the meter display.
Retest with a new
test strip.
The meter has an
internal electric
circuit problem.
Contact your local
distributor.
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