Recent content by fdarling

Did you have success repairing the cabinet by replacing those parts?

You can either leave me some contact information such as the name of your business or a link to your business's website, or you can figure out how to contact me from my website (link below): Contact | Darling Laser For other forum readers: I will post a detailed description of the problem and...

You need to check the voltages while the machine is powered on, such that the relevant LEDs I show in that photo are lit. If the LEDs aren't lit, then you know that power rail is off and that's already a problem. The multimeter needs to be in DC voltage mode, and you need to have the positive...

The first thing I would do is test the power supply voltages. I attached a photo circling the points you can probe with a multimeter, the right-most point would be the motherboard screw that is grounded, where you should put the negative (black) lead of the multimeter. The positive (red) lead of...

It sounds like you are using a 120VAC router and not the "high frequency" spindle that uses a separate VFD electrical cabinet to run it. If so, then it's a 24VDC contactor that switches the outlet. The motherboard has an output providing +24VDC and a switched 0VDC (to complete the circuit), you...

I recently helped someone track down a similar problem, the issue in their case turned out to be a faulty limit switch. The limit switches inhibit the amplifier from allowing the servo to move further in the direction of the switch, but if you aren't actually on a limit it confuses the controls...

If you swap all 3 cables related to the Z axis (motor, encoder, and limits) with another axis such as X, and it doesn't move the axis error, then it's one of three things: 1) the emergency stop cable going to P123 on the motherboard is unplugged, or the cable is damaged (not completing a...

I recently helped someone diagnose a similar issue, it was ultimately a faulty limit switch connector that was making the system thing it was on the Y+ limit. The significant of this is that the limit switches not only go to the "brains", but go to the servo amplifier ribbon cable so that they...

An unused rotary converter, or an unused Gerber Sabre 408? :)

The first machine I retrofit I did the "hard way" by using off the shelf cards, off the shelf breakout boards, and a custom acid-etched PCB to breakout the more exotic connectors. The second machine I did I used the off-the-shelf control cards, but all of the breakout boards were of my own...

I have retrofit several Gerber Sabre routers, and recently developed a drop-in replacement motherboard due to popular demand. You can read more about on another forum post: Gerber Sabre 404/408 LinuxCNC Retrofit Motherboard The Gerber Sabre's electrical cabinet will actually run off 220V...

I have retrofit several Gerber Sabre 408 CNC routers with LinuxCNC, and because of this I developed my own drop-in replacement retrofit motherboard. Attached is a photo of the new motherboard, a photo of the original motherboard, and a screenshot of the LinuxCNC software. The board has all of...