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Troubleshooting
When measurement is not being performed as normal, the following error
messages may appear to indicate what is necessary for correct measurement.
Error Display Causes What to do
After several seconds
After several seconds
Movement of
arm or body or
talking during
measurement.
Vigorous
movement
of arm or
body during
measurement.
The batteries
are dead.
Press the
START/STOP
button once
turn off power.
Sit still and
restart measurement.
Replace with
new batteries.