Security - Omtech PRO 2440 User Manual

Water Shutoff
Because of the danger posed by an uncooled laser tube, this engraver also shuts off the laser automatically when the
water cooling system malfunctions.
After ensuring that the emergency stop button and cover protection both work, you should also test that the water
shutoff works properly before conducting any other work on your machine. Follow the procedure above to start up
your machine and fire a low-strength test beam into any piece of laserable scrap material. Release the button. Turn off
the water chiller using its separate power switch. Attempt to fire the laser again. If the laser fires, the automatic shutoff
is not working and must be repaired before the engraver can be used. Turn off the machine and contact customer
service. If the laser does not fire, the automatic shutoff is working fine; simply restore power to the water chiller and
continue setting up your engraver.
Air Assist Shutoff
Because of the danger posed by sparks during engraving and the risk of damage to the laser nozzle and focus lenses
from fumes and debris, this engraver also shuts off the laser automatically when the air assist system malfunctions.
After ensuring that the emergency stop button, cover protection, and water protection all work, you should also test
that the air assist shutoff works properly before conducting any other work on your machine.
1. Follow the procedure above for testing the emergency shutoff to start up your machine and fire a low-strength test
beam into any piece of laserable scrap material.
2. Release the button.
3. Cut off the flow of air by crimping or tying the air hose between the rear of the machine and the air assist's digital
controller behind the lower left access door. (Take care not to damage the hose itself in this procedure.)
4. Attempt to fire the laser again.
5. If the laser fires, the automatic shutoff is not working and must be repaired before the engraver can be used. Turn
off the machine and contact customer service. If the laser does not fire, the automatic shutoff is working fine;
simply release the hose to restore access to the air intake and continue setting up your engraver.
Laser Path Calibration
Although our factory calibrates your entire system during assembly, it is possible for the laser tube, the focus lens,
and/or one or more of the mirrors to be jostled out of alignment during shipment. As such, it is recommended that you
perform a full optical alignment test as part of setting up your machine. See §6.4 in the Maintenance section below
for step-by-step guidance.

3.11 Security

For your own safety and that of passersby, this engraver can be locked shut using the provided key. It is recommended
that you use it to lock the machine between sessions, preventing any unauthorized operation of the machine.
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