Panasonic HL-C2 Series, User Manual, Page: 194 / 278

Chapter 7 Troubleshooting
7-2
7
7-1
Corrective Actions
In case 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 Troubles in the settings of controller
COM Troubles in communication control
MEAS Troubles in measurement method or display of measurement value
LED Troubles in LED indication of alarms and errors
TERM Troubles in external terminal I/O
LASER
Troubles in laser emission
· Refer to “4-1 Data Flow” , too for the problems related to measurement data
processing.
· Refer to “4-4-1 Alarm Setting and Outputs” , too for the problems related
to alarms.
· Refer to
“4-4-2 When Output Data become Unfixed”
, too for the details
of conditions where measurement value is unfixed.
· Refer to “4-4-3 Memory Save and Terminal Setting”, too for the
problems related to storing memory and terminal settings.
Type Problem Cause Corrective action
Ref.
page
SET
· The display on the
compact programmable
display does not change.
· The touch key on the
compact programmable
display does not operate.
· ERFF is displayed at the
upper right of the compact
programmable display screen.
· Sensor head indicator
does not light up.
· The controller does not
operate.
Connecting cable is
not connected
properly.
Check the connection
between controller and cable.
1-2
Connecting cable is
disconnected. Check the
wiring
between
controller and cable.
1-14
Power is not
supplied to the
controller. Check the connection of
controller and external power
24V DC.
1-15
Controller operation
is stopped. Turn on the power of
controller again.
3-6
SET
It takes too long until the
controller starts or laser
is emitted. Usually about 25 to
30 seconds are
required.
Wait for 40 seconds or more
after power-on.
3-6
SET
Update cycle of
measurement value is too
late. Update cycle of
measurement value is
not set correctly. Set the Display Update Cycle
of Measurement Value
properly.
4-56
Trouble type