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I was getting better results reducing NO2 pressure from recommended 8 to 7 or 6. Try focus right in the middle of material.

I'm getting alarm @ sequence 28 laser power 666. I already call 4 Amada tech to come.

BTW I'm using Fanuc resonator laser is 1500w

I have 2 PSU's. They both getting power (LED on both is led). The very first alarm that I got was 4063 and after what I'm getting is always 4076. I changed O2 tank, no difference. Chiller temp. 78 watter pressure 55. O2 pressure around 40.

How about when I look at laser diagnostic #909 it shows me RF voltage_1 14-19, voltage_2 14-19. Laser on RF voltage_1 goes up to 3700 but RF 2 stays at 14-19. Strange.

That was my second guess. Firs was bad contact because before that happened X axis was over-traveled hard to "+" and it was hard to bring it back.

I was using oxygen assist and putting protection down on the table.

It started this morning out of the blue. I could not to start the machine always getting alarm 4076: Laser power down. when I looked at diagnostic page when starting power goes up to 600 at stage 27 then alarm and power goes down. Any ideas what can cause this problem.

It worked ! [thumbsup2]

Thats looks easy enough for me. [smarty] I usually getting alarm when Z is -0.06 HS-98 suppose to work with minimum 20 gage materials. But I'm cutting 24 gage.Thats a problem.

how to change parameter 1850 Z ?

I randomly getting 501 overtravel -Z alarm. Can't figure out the cause.

Right. More speed higher duty. Slower less duty. But for SS in my experience slower is better.

With paper I'm using high pressure O2 5kg/cm paper down.

BTW no paper at all for best result.

I get better results reducing Duty to 75% or 65%

There is my options High pressure N2 and O2 low, med, high. I tried low pressure O2 ~1 kg/cm still no good. And now I have a bigger problem constant -Z over travel alarm at random times. I'm using HS98 head with metal sensing. I know it suppose to work from 20GA and up but I'm getting alarm...

Hi, first of all I don't have an option in cnckad to make a double cut. 1st cut for cutting plastic/paper second for cutting steel. when I'm cutting plastic down with N2(high pressure 8kg/cm) assist I'm getting big burns around edges. Using O2 (5kg/cm) not too bad. I'm Using 2 mm nozzle. power...

I'm using cnckad v. 10 and didn't see that option.

Just did bubbles test. No leaks. Changed N2 tanks everything back to normal.