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I have tried various things. I changed the vendor setting to low signal. I double double checked the connections I have made between the controller and PSU and also tried the water and door...

Hi James.

I managed to get the laser to fire by disconnecting the controller and using the test button. At least I now know the psu and laser both work. But despite trying numerous vendor and...

Oh dear, it was going so well! This machine I have built has tested me at every chance. Having got motors running etc I am now at the stage when I can fire the laser for the very first time. But...

One thing is the specific size. I wanted a machine to take a standard 610mm sheet that a 600mm wide machine couldn't and if the machine was the next size up I had nowhere to put it. The machine is in...

If only I'd known...........

Still, the machine I have does have features I couldn't buy.

Hi Bill. Many thanks. I rather think I'd have done well to read these a year ago! Still, considering I've not had an easy time getting this machine working I think that I've moved it on a lot in the...

Thanks for the offer James. I think I'm pretty much on it now as I have sorted most of the issues. I had problems getting to motors to do anything under control and getting them to stop when needed,...

Had a better day today. Now using the much better Lightburn software and have had the rails running etc. At the moment though I'm trying to figure out why I can't set homing and getting it to respond...

Hi Kev. It's a real bubbble all right. And actually many. But as mentioned just now, they have mostly gone now. I guess it's all a learning process. I do appreciate the feedback from you guys though.

I suspect one of the issues is the RO water itself. It's produced under pressure from the mains and as it's now sitting, the air dissolved within is gassing out, a bit like a glass of drinking water...

RO Water from the aquatics centre. Getting hold of distilled water turned out to be impractical due to shipping cost. Local tap water is really hard. De-ionised water seems to get the thumbs down...

Hi James. Yes, I've been working with the user manual. I'm going back to it today hopefully with more luck. My post was borne of frustration but it's a whole new day :-)

I'll also look at the...

I feel quite apologetic for having to ask for help again.

I have built a large 80w laser that uses the Ruida RDC644XG controller. I have been commisioning it and now have the wiring generally...

Thanks Rich, Jeff. I've raised the front of the tube as far as I can which is only about 4-5mm. Any more and I'll not be able to point it at the first mirror. I've also had the water pumping for a...

I've just filled the laser tube for the first time in my DIY laser. It's an EFR F2 80W. It says the flow rate can be as low as 2 litres a minute and I just measured mine at 2.6l/min so I assume ok....