Panasonic HG-T Series User Manual page 222

10.1 Troubleshooting
10.1 Troubleshooting
Solutions to frequently encountered problems and errors are described below.
● Check the wiring.
● Check the voltage and capacity of the power supply.
● When the HG-T controller manufactured prior to January 2019 is used, some functions will be
restricted. For details, consult your Panasonic representative.
Symptom
Nothing is
displayed in the
digital display
section of the
controller
Judgment value is
not displayed
correctly
Display of
judgment values is
not stable
10-2
Cause
Power is not supplied.
The controller is not
connected correctly.
Eco mode is ON.
Laser emission stop input is
ON.
The measured object is not
within the measurement
range.
Obstacles exist within the
measurement range.
The hold function is ON.
The sensor head is not
installed correctly.
The operation mode is not set
correctly.
The specified direction of
measurement is opposite to
the direction in which the
measured object is inserted.
The reference waveform is
not registered correctly.
The average count is set to a
small value (response time is
fast).
Dust, dirt, or other foreign
matters adhere to the light
emitting and receiving
surfaces of the sensor head.
Dust, dirt, or other foreign
matters adhere to the
measured object.
Solution
Check if the capacity of the power supply is
sufficient.
Connect the power supply correctly.
Check the controller connections.
Set Eco mode to OFF.
Set laser emission stop input to OFF.
Check if the measured object is within the
measurement range.
Remove the obstacles.
Check the settings of the hold function.
Install the emitter and receiver correctly.
Check the settings of the operation mode.
Change the specified direction of
measurement to TOP or BOTTOM.
After adjusting the beam axis, register the
reference waveform.
Set the average count to a large value
(response time is slow).
To remove any dirt that adheres to the light
emitting and light receiving surfaces of the
sensor head, use compressed air or gently
wipe off using a clean, soft cloth. If the
surfaces are very dirty, wipe off dirt using a
cotton swab (or similar material) moistened
with absolute alcohol.
Remove any dust, dirt, or other foreign
matters that adhere to the measured object.
Reference
page
"P.8-2"
"P.4-10"
"P.7-41"
"P.7-19"
-
-
"P.7-9"
"P.4-4"
"P.6-9"
"P.6-10"
"P.5-14"
"P.6-11"
-
-
WUME-HGT-6