Accu-Chek COMPACT PLUS Owner's Booklet page 76

Display Messages and Troubleshooting (continued)
The batteries are running low. If
possible, continue testing until
all the test strips in the test drum
have been used. Then replace the
batteries and the test drum.
If the battery symbol appears briefly
and the display goes blank, the
batteries are too low to perform any
more tests. Insert two new batteries.
Chapter 5: Maintenance and Troubleshooting 74
ACCU-CHEK Customer Care Service Center 1-800-858-8072
Blood sugar is higher than the
measuring range of the system
(600 mg/dL). See Chapter 3,
"Symptoms of High or Low
Blood Sugar."
Blood sugar is lower than the
measuring range of the system
(10 mg/dL). See Chapter 3,
"Symptoms of High or Low
Blood Sugar."