![background image](http://html.mh-extra.com/html/accu-chek/aviva-nano/aviva-nano_reference-manual_455907075.webp)
An electronic error
occurred or, in rare cases,
a used test strip was
removed and reinserted.
Turn the meter off and
on or take the batteries
out for 20 seconds and
reinsert them. Perform a
blood glucose or control
test. If the problem persists,
call the Accu-Chek Customer
Careline on 0800 701 000
(UK) or 1 800 709 600 (ROI).
The temperature is
above or below the
proper range for the
system. Move to
an area within the
temperature range
indicated for test
strip use in the test
strip package insert,
wait
fi
ve minutes and
repeat the test. Do not
arti
fi
cially heat or cool
the meter.
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