Accu-Chek Aviva Plus silver - Manual (Page 89)

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The temperature is above or below
the proper range for the system.
Refer to the test strip package insert
for system operating conditions.
Move to an area with the appropriate
conditions, wait 5 minutes, and
repeat the test. Do not artificially
heat or cool the meter.
The time and date settings may be
incorrect. Make sure the time and
date are correct and adjust, if
necessary. See Chapter 4, “Setting
the Time and Date.”
The battery is almost out of power.
Change the battery now. See
Chapter 6, “Changing the Battery.”
NOTE.
If you see any other error display, please contact
the ACCU‑CHEK Customer Care Service Center at
1‑800‑858‑8072.