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CHAPTER
Problem Solving / Meter and Test Sensor
14
33
PROBLEM SOLUTION
4. Control Test result is
out of range (too high or
too low).
Causes:
• Test Sensor or control
solution passed
expiration date or shelf
life date.
• Deteriorated Test
Sensor due to heat or
cold.
• Control solution not at
room temperature.
• Not enough control
solution drawn into
Test Sensor.
■ Make sure correct
Programme Number
has been entered.
Run another control
test. If still out of range,
retest with a new Test
Sensor Disc and/or
control (if needed) with
an acceptable expiration
date and shelf life. If still
out of range, call the
Customer Service
Department or
1-800-028-251 (toll free).
32
CHAPTER
14
Problem Solving / Meter and Test Sensor
PROBLEM SOLUTION
1. The display goes blank
when the Meter is turned
on.
NOTE: Display goes blank
if Meter is left on for 3
minutes (without sensor)
or 15 minutes (with sensor)
and no activity.
■ Check Battery
Capsule to be sure it is
tightly in place. If Battery
Capsule is secure and
display is still blank,
replace batteries (two
lithium — CR2016).
See page 26.
2. Some display segments
do not appear in the full
display when the Meter
is turned on.
■ Call the Customer
Service Department or
1-800-028-251 (toll free).
3. Meter fails to start
countdown after blood is
applied.
■ Retest. If the
countdown fails to start,
call the Customer
Service Department or
1-800-028-251 (toll free).