
27
Troubleshooting
If an abnormality has occurred with the instrument, take the necessary actions
as given in the table below. If the symptom remains, contact your retailer.
Symptom
Check point
Action
The indicator does not
light up.
Are the batteries dead?
Charge using USB bus power.
The battery indicator may not
light up for a few minutes
during charging if the battery is
heavily drained.
If the battery indicator does not
light up even after charging for
a while, the instrument may be
malfunctioning. Immediately
stop using the instrument and
contact your retailer.
Measurement results
are abnormal.
Is the instrument pressed
flush against the
measurement specimen?
Make sure that the instrument
is pressed flush against the
specimen.
Is the calibration cap
correct?
Read the Calibration and
Calibration Method sections
carefully to ensure calibration is
being performed correctly.
Was calibration
performed correctly?
The instrument does
not respond to
commands from the
computer. Commands
cannot be accepted
correctly.
Is the USB cable
connected correctly?
Properly connect the
instrument’s USB connecting
terminal to the computer’s USB
terminal with the USB cable
supplied with the instrument.
Is the USB cable supplied
with the instrument being
used?
The power turns OFF
suddenly even though
the battery is charged.
Has the internal battery
been recharged
approximately 500 times?
Contact your retailer.