User`s manual

Chapter 5 Troubleshooting
5-2
5
5-1 Corrective Actions
If an error or trouble occurs during use of the system or a system failure is
suspected, read this chapter carefully first and carry out the corresponding
corrective actions.
SET
Trouble in sensor head settings.
COM
Trouble in communication control.
MEAS
Trouble in the measurement method or display of measurement values.
LED
Trouble in alarm or error LED indications.
LASER
Trouble in laser emission.
• For the details of conditions where measurement value is unfixed,
refer to "2-5
Conditions When Output Data Become Unfixed".
• For problems related to memory saving and terminal settings,
refer to "3-3-2
Memory Change".
Type
Problem Cause Corrective action
Ref.
page
The connecting cable is
not connected properly.
Check the
connection
between
the sensor head and connection
cable.
1-2
The connecting cable is
disconnected.
Check the
wiring
between the
connection cable and connector.
2-2
Power is not supplied to
the controller.
Check the
connection
between
the
24-VDC external power
and sensor head.
2-2
The operation of the
sensor head is stopped.
Turn ON the sensor head again. 3-6
SET
•
The sensor head
indicator does not
light up.
•
The sensor head
does not operate.
The eco mode is set to
“Eco-FULL”.
The LED will be lit by operating
any switch. Make
eco-mode
settings if necessary.
3-40
LASER
The laser beam is
not emitted.
The laser control setting
is turned OFF and
saved.
Save the laser control setting
turned ON, otherwise the system
will start with the laser beam
turned OFF.
3-39
3-43
Trouble t
yp
e