
Chapter 7 Troubleshooting
7-3
7
Type
Problem
Cause
Corrective action
Ref.
page
LASER
Laser beam is not
emitted.
Laser Control setting is
saved with OFF.
Save
the setting of
Laser
Control
with ON.
4-16
4-65
Laser control terminal is
short-circuited.
Open the
laser control
terminal
(
LSRA or LSRB
).
2-2
Remote interlock is
open.
Short circuit the
remote
interlock
.
23
IL terminal and
LSRA/LSRB terminal is
disconnected.
Check the
wirings
of
terminal
block
.
1-16
2-2
The export controlled
sensor head is connected
to the export
uncontrolled controller.
Connect the export
uncontrolled sensor head to the
export uncontrolled controller.
24
MEAS
There is a
difference
between actual
distance to the
measurement
object and
measurement
value.
Calibration is not set
correctly.
Set
Calibration
correctly.
4-17
The measurement object is
fluctuating or vibrating.
Stop fluctuation or vibration of
measurement object.
1-10
The measurement object is
tilted.
Place the measurement object as
perpendicularly as possible.
1-13
Received light waveform is
saturated or insufficient.
Adjust the received light
intensity using
Emission
Adjustment
.
4-10
The refractive index is not
correct.
Adjust the reflectance using
Refractive Index Calculation
.
4-24
MEAS
Measurement
range is partially
output.
Sensor head is not
installed correctly.
Install the head correctly.
Note that an
installation
method
is different between
specular reflection
and
diffuse
reflection
.
1-13
Installation mode is
wrong.
Set the correct installation
mode (
Specular Reflection
or
Diffuse Reflection).
4-7
Is the measuring range
set appropriately?
Set the
measuring range
appropriately.
4-16
MEAS
Correct
measurement
value is not
displayed.
Measurement object is
out of the measurement
range.
Check the
measurement range
of sensor head used.
8-22
Operation coefficient or
offset is not set
correctly.
Set
Operation coefficient or
offset
correctly.
4-36
4-37
Light emitter/receiver is
dirt.
Remove the dirt on the
light
emitter/receiver
.
9
1-7
Summary of Contents for HL-C2 Series
Page 32: ...Preface 30 MEMO ...
Page 50: ...Chapter 1 Prior to Use 1 18 1 MEMO ...
Page 65: ...Chapter 3 Programmable Display Operation 3 5 3 MEMO ...
Page 164: ...Chapter 4 Explanation of Functions 4 90 4 MEMO ...
Page 191: ...6 1 6 6 Maintenance and Inspection 6 1 Maintenance 6 2 6 2 Inspection 6 2 ...
Page 200: ...Chapter 7 Troubleshooting 7 8 7 MEMO ...
Page 250: ...Chapter 8 Specifications 8 50 8 50mm type Unit mm 85mm type Unit mm ...
Page 252: ...Chapter 8 Specifications 8 52 8 8mm type Unit mm 15mm type Unit mm ...
Page 270: ...Chapter 8 Specifications 8 70 8 MEMO ...
Page 271: ...1 Apx Appendix 1 Index 2 ...
Page 275: ...Appendix 5 Apx MEMO ...
Page 277: ......