Акку-Чек Перформа Нано - Manual (Page 73)

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 artifi cially heat or
cool the meter.
The batteries are
almost out of power.
Change the batteries
now.
Blood or control solution
was applied to the test
strip before the fl ashing
drop symbol appeared
on the display. Discard
the test strip and repeat
the test.
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 Roche.
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