Amada MM-L300A, Original Instructions Manual

Page: 158 / 180

MM-L300A
12. Maintenance
12-3
Symptoms that occur until waveforms are obtained
Symptom Confirmation item Measures
The guide light cannot be
turned on. Is the [Guide ON] button clicked
on the Menu Window? Click the [Guide ON] button. (For
the
SG-N300A
, the guide light is
not turned on.)
Waveforms cannot be
obtained. / The intensity
of waveform is low or
high. Is the monitoring point the
MM-L300A
aligned with the
processing point?
Align the monitoring point of the
MM-L300A
with the processing
point.
Is the analog gain and digital gain
adjustment proper? Adjust the analog gain and digital
gain so that waveforms can be
obtained.
Are the settings of external trigger
and internal trigger proper? Change them on the
Maintenance Window.
Is the trigger setting too high? Lower the set value of the trigger.
Is the external trigger input? Check the TRIGGER. (Refer to 9.
Interface.)
Is the specification of the sensor
proper? Use a sensor with a proper
specification. *1
Is the specification of the filter for
SU-N300A/SG-N300A proper? Use a filter for
SU-N300A/SG-N300A with a
proper specification. *2
Is the laser welding performed
within the measurable range of
the light-receiving unit? Perform laser welding within the
measurement range of the
light-receiving unit.
The external trigger
cannot be applied from
the external trigger unit.
(for the reflected light) Are cables normal?
(disconnection, etc.) Use the normal cable.
Is the trigger mode on the
Maintenance Window on the
MM-L300A software [External]? Set the trigger mode to [External].
Are laser conditions proper?
(laser output, workpiece material,
or laser irradiation angle, etc.) Perform laser welding with proper
laser conditions.
The external trigger
cannot be applied from
the external trigger unit.
(for the 10 V input) Is the 10 V input pulse input? Input 10 V by the pulse signal.
(Trigger is applied at the startup.)