CHAPTER 8: SERVICE
Code
No.
Indication on
Control Panel Screen
High
Voltage
Abnormal
Output
Remedy
LW250 PULSED Nd: YAG LASER
990-605 REV B: May, 1997
8-17
32
Laser Start Is Not Ready
–
ON
The start signal is entered when
charging is not complete. Increase
the intervals of the laser start signal
input. Or, allow more lead time for
the laser start signal input after
condition change.
34
Power Monitor Temp
-
ON
Probable defective power monitor
unit. Contact Unitek Miyachi.
35
Lamp Reactor Thermal
Switch
OFF
ON
Internal reactor temperature is too
high. Check the operation of the fan
at the rear of the laser.
36
Branch Unit Cover Opened
OFF
ON
The branch unit cover is opened or
its screws are loose. Close the
cover and tighten the screws.
41-44
Trouble in Fiber Switch 1
through 4
OFF
ON
Either on optical fiber or a fiber
interlock cable is disconnected.
51 -
54
Trouble in Fiber Sensor 1
through 4
OFF
ON
Check fiber cable 1 through 4 for
breakage.
Reset the laser with [RESET] key on the control panel, or input Trouble reset signal through the
EXT-I/O.
Repair Service
If you have problems with your LW250 Laser that you cannot
resolve after reading the
Troubleshooting
section
in this chapter
and taking the steps recommended in it, please contact our laser
service department at:
Unitek Miyachi Corporation
1820 So. Myrtle Avenue
Monrovia, CA 91017-7133
Phone:
(818) 303-5676
FAX:
(818) 358-8048
