31
TROUBLESHOOTING GUIDE
PROBLEM
REASON
SOLUTION
Flashing
Low battery. Readings
are reliable.
Charge battery or use
USB wall/computer
adapter.
“Low Battery”
Battery voltage is very
low. Readings are not
reliable.
Charge battery or use
USB wall/computer
adapter.
“Shut Down Low Batt”
Shut Down
Battery is too low to
operate the unit.
Charge battery or use
USB wall/computer
adapter.
“Overrange”
Sample is outside of
acceptable range.
Dilute sample and
test again.
Unusually large
negative or positive
readings when
performing calibration
Incorrect standards
used to calibrate meter.
Use fresh 0.0
standard in clean
tube. Reset meter
to factory default
settings. Recalibrate
meter.
www.
.com
1.800.561.8187
