
6.TROUBLESHOOTING B-70255EN/01
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Cause of trouble Solution
4 Anomaly in temperature sensor The temperature sensor is designed to
be actuated by temperatures of 60°C or
above. If the temperature sensor is
actuated at lower temperatures, replace
the sensor.
ALM No.4075
Condensation
A condensation sensor is mounted near the output mirror holder
in the oscillator. This alarm occurs when the sensor detects
condensation. After this alarm occurs, the alarm status cannot be
reset until the condensation status is released. Do not blow hot
air of 60
°C or higher on the condensation sensor.
Alarm output condition
This alarm is issued when the chiller water temperature signal becomes 0
during the time from RUN-ON until RUN-OFF.
Chiller water temperature signal
WT1 (bit 2 at address 01H of DI of the laser interface)
Related parameters
DGN.961#2 *WT1 Condensation sensor
Cause of trouble Solution
1 Tool low cooling water
temperature
Set the water temperature near the room
temperature (plus about 1°C).
2 Connecting anomaly of
condensation sensor cable
Check whether the cable is securely
connected to the condensation sensor. If
not, reattach the cable.
3 Anomaly of condensation
sensor
If the sensor operates when there is no
condensation around the sensor, the sensor
is abnormal. Replace the sensor.
ALM No.4076
Laser output decrease
This alarm is issued, if the monitored laser output is much lower
than the specified laser output, that is the monitored laser output
is lower than the specified output by a value specified in
parameter No. 15271.
Alarm output condition
This alarm is issued when the actual laser output level is lower than the
average command power (power x duty) by more than the value set in
parameter No. 15271. Monitoring, however, is not performed for three
seconds after the beam is turned or after the output is changed.
Related parameters
PRM.15271 Allowable output drop value
DGN.906 Actual output