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7.1 Solutions to Problems
Solutions to frequently encountered problems and errors are described below.
● Check the wiring.
● Check the voltage and capacity of the power supply.
Symptom
Cause
Solution
Reference
page
Nothing appears
on the digital
display
Power is not supplied.
Check if the capacity of the power supply is
sufficient.
Connect the power supply correctly.
ECO mode is ON.
Set ECO mode to OFF.
Measured value is
not displayed
correctly
Laser emission stop input is
ON.
Set laser emission stop input to OFF.
The measurement object is
not within the measurement
range.
Check if the measurement object is within the
measurement range.
-
Obstacles exist within the
measurement range.
Remove the obstacles.
-
The hold function is ON.
Check the settings of the hold function.
The sensor is not installed
correctly.
Install the sensor correctly.
Dust, dirt, or other foreign
matter adheres to the light
emitting and receiving
windows of the sensor.
With a lint-free soft cloth or lens cleaning
paper, wipe off any dirt that adheres to the
light emitting and receiving windows of the
sensor.
-
Dust, dirt, or other foreign
matter adheres to the
measurement object.
Remove any dust, dirt, or other foreign matter
that adheres to the sensing object.
-
Dust, grit, or other
substances are attached to
the operating environment.
Use a dust collector or similar device to
remove and prevent dust, grit, and other
substances from flying in the operating
environment.
-
The distance between the
sensor and the measured
object is too far.
Ensure that the distance between the
installed sensor and the sensing object is
within the specified range.
Measured value is
not displayed
stably
The sensor is installed in a
location subject to severe
vibration.
Take measures against vibration.
-
Analog output is
not generated
correctly
Analog output line is not
wired correctly.
Wire the analog output line correctly.
Keys cannot be
operated
The key lock function is ON.
Set the key lock function to OFF.
Important
If the product still does not operate normally after you check the above, consult your Panasonic representative.
7.1 Solutions to Problems
7-2
WUME-HGF1UM-2
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