Repair Service - Unitek Miyachi LW250 Operation, Maintenance And Service Manual

Code Indication on
No. Control Panel Screen
32 Laser Start Is Not Ready
34 Power Monitor Temp
35 Lamp Reactor Thermal
Switch
36 Branch Unit Cover Opened
41-44 Trouble in Fiber Switch 1
through 4
51 - Trouble in Fiber Sensor 1
54 through 4
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:
990-605 REV B: May, 1997
High
Voltage
–
-
OFF
OFF
OFF
OFF
Unitek Miyachi Corporation
1820 So. Myrtle Avenue
Monrovia, CA 91017-7133
Phone: (818) 303-5676
FAX: (818) 358-8048
LW250 PULSED Nd: YAG LASER
CHAPTER 8: SERVICE
Abnormal
Output
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.
ON Probable defective power monitor
unit. Contact Unitek Miyachi.
ON Internal reactor temperature is too
high. Check the operation of the fan
at the rear of the laser.
ON The branch unit cover is opened or
its screws are loose. Close the
cover and tighten the screws.
ON Either on optical fiber or a fiber
interlock cable is disconnected.
ON Check fiber cable 1 through 4 for
breakage.
Remedy
8-17