LFS-PM-T43 operating manual
XXXIV
head is too far away from the laser head close to the metal
metal sheet.
sheet.
Before calibration, check the
During the calibration, up limit positon of the laser head. Move
or down limit triggered.
the laser head away from the
limit
There is no motion and cause a
time out
Check the parameters of the
servo drive and can run a jog
motion
“write para” can not
write the parameters
into the distance
controller
The laser head is in the running
status.
wrong connection between the
displayer and the distance
controller.
Stop motion and set laser head
to be standby status
Check the wire and the
interface
no calibration for a long time
Calibration again
There is big erro
between the actual
height and the
referenced height
Laser head shaking
during tracing
Has changed some parts of the
sensor but do not do the
calibration.
Some laser beam is located on
the capacity sensor or the lens
is dirty and make the sensor ‘s
temporature increasing.
Auxiliary gas has caused the
capacity changing
Shield of the amplifier do not
have good conduction with the
machine
PID parameter is not normal
Before start a normal cutting.
Calibration is not done or the
calibration result is not so good.
Servo stiffness is too big
Calibration again
Check the lens is clean and the
position of the laser beam
Check the cleaness and the
humidity of the auxiliary gas
Chenck the EARTH wire is
connected well
Decrease the P parameter and
decrese the responsibility of the
distance controller
Calibration again
Decrease the stiffness
Servo electrical interference
Check the shield of servo drive
is connect to the EARTH.
Connect
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