Question or status
Possible cause
Troubleshooting
Coating thickness
measurement is not
possible.
The coating thickness to be
measured is greater than the
measuring range of the measur‐
ing head used. A peak is outside
the measuring range.
Ensure that both peaks are within
the measuring range. Reposition the
measuring object in the measuring
range if necessary,
.
The coating thickness to be
measured is too small. The
peaks are too close together.
Ensure that the minimum distance
between peaks is at least half
the height of the smaller peak.
Reposition the measuring object in
the measuring range if necessary,
see "Positioning measuring head",
page 44
.
Displayed measured
values fluctuate
strongly or more than
usual.
Dark value is not current.
Perform dark balance,
Vibrate the measuring object or
measuring head.
Check the measuring system as well
as the measuring head and measur‐
ing object holder for possible inter‐
ference.
There is another unexpected
coating in the measuring range.
The measured value of this
coating is recognized as valid
at the selected threshold and
measuring window.
•
Adjust measurement window.
•
Change thresholds.
•
Remove the interfering coating or
change the working distance so
that the interfering coating is no
longer measured.
Device does not send
any measured values
via the interface.
Command
STO
is sent.
Send command
STA
. Then save
the configuration with the command
SSU
.
Display of the meas‐
ured coating thickness
does not match the
expected value.
Refraction index is set incor‐
rectly.
Adjust refraction index,
.
Additional, unwanted coating is
in the beam path.
Check if there are coats between the
measuring object and other coatings
that are measured.
Device settings are
lost each time the
device is switched off.
Configuration is not saved in the
non-volatile data memory.
Save user-specific parameters,
"Saving user-specific parameters",
page 42
.
TROUBLESHOOTING
10
8027188//2022-05-25 | SICK
O P E R A T I N G I N S T R U C T I O N S | OD7000
53
Subject to change without notice
