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Chapter 6
Common Fault Treatment
1-Laser Emission Failure
（1）Make sure the connection of power supply is correct.(+24VDC and
GND connect correctly? Earth the ground wire?)
（2）Make sure the E-STOP switching is released, Emergency Stop Input
is high when the laser is in normal operation.
（3）Make sure the power supply is in normal condition, and check its
output without and with load( connected with the laser).
（4）Software set correctly.
（5）Interface DB25 connect correctly under specified guide.
（6）Normal Signals of Pins 18 and 19.
（7） Normal signal and supply power of control card(please refer to 5.2
DB25 control interface pin function)
2-Power Drops
（1） Check whether the power supply output steady, and the current is at
its rated value.
（2）For collimated outputs, maintaining a clean output lens is essential,
Cleaning with lens tissue is allowable as required. Do not scratch the film
layer.
