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Can't Reference All Axes - 24R

Background

To get the most out of your machine, the first thing that you need to do is reference the axes. This process causes the machine to move to the end of its axes and triggers a limit switch (for example, a momentary switch, a proximity sensor, hard stop to indexing, etc.). Until power is lost or there is a crash, the machine stores this location allowing full travel within the its envelope.

Referencing is not the same as setting your work coordinate offset (origin). After referencing the machine, you still need to set or reset your origin.

Machine

Reference Type

Image

24R

Proximity Sensor

image-20250423-161335.png

Tools

  • Flat-bladed screwdriver

  • Small flat-bladed screwdriver

  • Metric hex wench set

  • Needle-nose pliers

  • Phillips screwdriver

  • Channel Locks

  • Digital multimeter

Reset the machine in PathPilot

Reason: The machine software must be reset.

  1. From the PathPilot interface, on the Main tab, select Reset.

  2. Reference your machine: select Ref Z, Ref Y, and Ref X

Inspect the Prox Sensors and their connections

Reason: A sensor is defective or disconnected.

  1. From the PathPilot interface, on the Status tab, examine the axes' Limits LEDs.

    1. If one or more of the status lights are illuminated, try Disable the Limit Switches (Stuck on a Limit Switch) first.

    2. If all of the status lights are off, continue to the next step.

  2. Locate the physical switches on the machine and manually trip them with a metal object while watching the LEDs in PathPilot.

For in depth troubleshooting, see: https://tormach.atlassian.net/wiki/spaces/24R/pages/edit-v2/4491640955

Disable the Limit Switches (Stuck on a Limit Switch)

Reason: The machine is stuck on a limit switch.

https://www.youtube.com/watch?v=KNMQXyeCKHs
  1. From the PathPilot interface, on the Status tab, examine the axes' Limits LEDs.

  2. Identify which axis is ‘stuck’ on a limit switch, indicated by a green light next to the axis letter.

  3. On the Settings tab, clear the Limit Switches checkbox. Then, on the dialog box, select OK.

  4. From the PathPilot interface, select Reset.

  5. Jog the axis away from the limit switch that it's on.

  6. Make sure the prox sensor limit switch is clean of any and all debris.

  7. From the PathPilot interface, on the Settings tab, select the Limit Switches checkbox to re-enable the limit switches.

  8. Reference the machines axes to prevent the machine from getting stuck again.

Adjust the Limit Switch Flag

Reason: The machine crashed into the end of travel before referencing, the limit switch flag is improperly adjusted.

  1. Jog the machine to its reference position.

  2. From the PathPilot interface, on the Settings tab, clear the Limit Switches checkbox. Then, on the dialog box, select OK.

  3. Push in the Emergency Stop button on the operator box.

  4. Adjust the limit switch flag so you just hear the limit switch click.

  5. Take the machine our of Emergency Stop, press the Reset button, and from the PathPilot interface, select Reset. Then jog the machine off of the limit switch.

  6. From the PathPilot interface, on the Settings tab, select the Limit Switches checkbox to re-enable the limit switches and then reference the axes.
    If the machine crashes again before triggering the limit switch, repeat Steps 2 through 6.

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