47
8 Troubleshooting
Measurement
values are
higher or lower
than they
should be.
Calibration
failure
Make sure the
standard value is
correct, and then
perform
recalibration.
The standard
plate or lens is
dirty.
Wipe off the dirt of
the standard plate or
lens, and then
perform
recalibration.
The standard
plate is
damaged.
Replace the
protective cover
(with standard plate).
The
measurement
area is floating
from the
measurement
target surface.
Bring the
measurement area
into close contact
with the
measurement target
surface.
Measured data
is not displayed
on the memory
display.
Calculation of
the average
value
To store the
measured data, do
not press the [AVG]
button.
Auto power
OFF does not
work.
The auto power
OFF function is
disabled.
Enable the auto
power OFF function.
Problem
Cause
Action to take
Ref.
