Chapter 7 Troubleshooting
7-3
7
Type
Problem
Cause
Corrective Action
Ref.
page
Measure
There is a
difference
between the
actual distance to
the measurement
object and
measurement
value.
The measurement object is
fluctuating or vibrating.
Stop the fluctuation or vibration
of the measurement object.
1-10
The measurement object is
tilted.
Place the measurement object as
perpendicularly as possible.
1-2
The received light
waveform is saturated or
insufficient.
Adjust the received light
intensity by changing the
unit
detection time
.
4-39
Measure
The correct
measurement
value is not
displayed.
The measurement object is
out of the measurement
range.
Check the
measurement
range
of the sensor head used.
4-38
4-90
Offset or angle
correction is incorrect.
Set the
height correction
,
angle correction
and
offset
correctly.
4-42
4-43
4-77
The light
emitter/receiver is dirty.
Remove the dirt on the
light
emitter/receiver
on the sensor
head.
6-2
Is there any image
except for the
measurement target
shape included in the
image?
Prevent unnecessary reflected
light from entering the sensor
incident light part from the
shape of the object being
measured. Try to eliminate the
unnecessary image by using
the mask setting, or the
received light peak width
limit.
4-39
Measure
Measurement
values vary.
Mounting area or
measurement object is
vibrating.
Control the fluctuation or
vibration of the measurement
object.
1-10
It is variation of 0.1um
digit.
Adjust the decimal number of
the measurement value as
necessary.
4-102
The moving average is
small.
Increase the number of
moving average
.
4-47
Measurement mode is
not set correctly.
Set the
Measurement Mode
and
Sensitivity Adjustment
Conditions
according to
applications or measurement
object. Select the optimum
mode.
4-37
4-39
The light
emitter/receiver is dirty.
Remove the dirt from the
light
emitter/receiver
on the sensor
head.
6-2
The sensor head or
measurement object is
tilted.
Check the installation of
sensor head and position of
measurement object.
1-2
Summary of Contents for HL-D3 Series
Page 9: ...Preface 7 ...
Page 27: ...Preface 24 MEMO ...
Page 43: ...Chapter 1 Before Use 1 16 1 MEMO ...
Page 219: ...Chapter 4 Description of Functions 4 140 4 MEMO ...
Page 298: ...1 Apx Appendix 1 Index 2 ...
Page 304: ......