7: TROUBLESHOOTING
©Tormach® 2021
Specifications subject to change without notice.
Page 69 UM10753: 8L Operator's Manual (Version 0321B)
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Cause: The machine is stuck on a limit switch.
Probability How-To Steps Need More?
High
From the PathPilot interface, on the Status tab, examine the axes' Limits
LEDs.
If one or more LEDs are on, do the following:
1. Identify which axis is stuck on a limit switch.
2. From the PathPilot interface, on the Settings tab, clear the Limit
Switches checkbox. Then, on the dialog box, select OK.
3. Jog the axis away from the limit switch that it's on.
4. From the PathPilot interface, on the Settings tab, select the Limit
Switches checkbox to re-enable the limit switches.
If an axis is moved before referencing
the machine, it can trigger a limit
switch and become stuck. When you
disable the limit switches, the machine
completes a unique referencing
procedure after selecting the axis
reference buttons: rather than moving
each axis to the end of its travel, the
reference position is set as the
machine's current position.
Cause: A limit switch is defective.
Probability How-To Steps Need More?
Low
1. Go to "The machine is stuck on a limit switch."earlier in this section.
2. Examine each limit switch for its red LED.
If any of the limit switch's red LEDs is off, go to "A limit switch's cable or
connector is defective." later in this section.
Each limit switch has a red LED that
illuminates whenever the machine is
powered on.
Cause: A limit switch's cable or connector is defective.
Probability How-To Steps Need More?
Low
1. Power off the machine (see "Power Off the Machine" (page35)).
2. Inspect and reseat the limit switch's connectors on both ends of the cable.
3. Inspect the limit switch's cable for wear or damage.
Each limit switch's cable is routed from
the machine control board to the limit
switch, and it has a connector on each
end.
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