I am looking to replace a 3 axis control board because one of the axis has stopped working. This is the board I am replacing…https://www.laserupgrades.com/product-page/32-bit-black-n-blue-2-pro-grbl-laser-controller. Looking for comparable board, what is available and reliabe?
Did you try replacing the motor driver module? You can swap them around for testing.
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I’d go for a MKS DLC or DLC32 board. They are very common and you’ll get most support in every community.
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First, I would follow Mike’s suggestion, then if you choose to change the controller, I suggest the MKS DLC32. Not only because it’s the one I chose, but also because there are several users who can provide support, as Melvin mentioned.
Read as “Good help is hard to find.”
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I would like to purchase one of these controlers but all I find do not have the firmware…Has anyone know where I can get one with the GRBL firmware flashed?
This does not make much sense. If you select a mainboard only, you need to adopt it to your system anyhow. So the choice of firmware is included in that process. For MKS boards you can download the MKS firmware (i don’t recommend that one) or choose FluidNC, grblHAL or another.
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The MKS DLC32 board comes with Makerbase’s own firmware. It’s some fork of GRBL-ESP to make their display work.
As Melvin, I don’t recommend using that firmware. I’m a FluidNC advocate. - It’s the future!
Installing it is a breeze with the webinstaller.
As pointed out, you will need to configure the firmware for your laser. The FluidNC Wiki is a great resource.
I’d throw in another controller suggestion , the 4X from the developer of FluidNC.
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So the currant control board I have uses a STM32. Might anyone know what I need to flash into it or how to flash it? I wish I could get quicker replies from…https://www.laserupgrades.com/
To run GRBL firmware on the STM32 microcontroller, you’ll need to use grblHAL
Whey have a Webbuilder which makes the flashing process a little bit easier. (Though still not easy!) You will need to know the exact pinmap and some other variables.
The manufacturer of your board should be able to send you a pre-compiled .bin file of the firmware and give you instructions on how to flash it to the STM32.
I thought, you wanted to replace this board? Did you try to swap the stepper drivers?
I am waiting for the manufacture… Timothy Rothman. He figures the drives and main board are ok. So that is why I am wanting to reflash the STM32 or replace it. It has been nearly 3 weeks, I am getting a bit disappointed. And noy supposed to be rude or get angry.
That’s why I sometimes prefer to invest in well-known materials. Besides having many more options for help, there’s also faster access to assistance and easier access to components. 
I and some of us can’t help you as we wish because your board is kind of unknown. 
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You said initially
But I see that there are different firmware-related issues in your other threads.
Like $32=1....reverting back to $32=0
Your best bet is to reach out to him again and ask for an updated firmware, and recommended settings (He mentions to contact him on Facebook).
As Luis pointed out, we can’t help you much, because we don’t know the controller, or which firmware it’s running exactly.
I understand the confusion, and I should have set this straight. But I have 3 machines that I use Lightburn on. Differant machines differant problems