3.Testing result is
wrong
1. Check if tolerance setting
is reasonable
Reset the tolerance
setting according to
requests in system
setting
4. Testing value is
wrong
1. Check if the tested
product is stable, if the
testing aperture and tested
surface
is
connected
closely,
2. Check if the tested
product is too thin that the
light will leak.
3.Check if tested object is
mixed color
1.
Keep
testing
product stable.
2. Put a thick plastic
sheet or white paper
under the measured
object.
3. Avoid the mixed
color area and test the
single color part.
5. Too large color
difference
between
twice tests
1. Check if batteries power
is under 40%
Replace with new
battery
