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What you see What meter says What it means What you should do
“ Error 1 Meter
Failure”
The meter
electronics
or test strip is
damaged
• Remove the battery
and turn on the meter.
• Remove the test strip
and insert a new test
strip.
• If problem persists,
call us at 1-800-
566-8558 (USA and
Canada only).
“ Error 3 used test
strip
Used or
damaged test
strip
• Repeat the test with
a new test strip.
Remember to add
sample until you see
prompt on the display
screen or the meter
verbally prompts you
to add sample.
“ Error 4 not
enough sample”
Not enough
sample on the
test strip to start
• Remove the test strip
and repeat the test
with a new test strip.