Step 1: Restore factory settings>>(click for more details)

Step 2: Open the access door and check whether the indicator on the driver lights up.

Case 1: If it does not light up, see "Driver not lighting up>>" to troubleshoot.

Case 2: If the indicator of the driver does light up and is glowing red, check whether the input voltage of the driver is normal (as shown);

If the input voltage is normal (generally 24V or 36V),

1. Swap the motor plug of the axis in question with the working one. (as shown)
2. Check whether the fault axis transfers to another axis.

• If not, replace a new, identical motor.
• If so, swap all the remaining plugs on the two drivers. Check whether the faulty transfers to the initial fault axis.

          (a) If it does, the mainboard is faulty; replace it with a new, identical one.

          (b) If it doesn't, the driver needs to be replaced.

Case 3: If the indicator of the driver does glow green but is unable to move its axis, check the limit switch of the inactive axis. The limit switch indicator glows red only when the axis reaches its limit of motion.

• Unplug the limit switch.
• Reboot the engraver.

  If the axis starts to move to its origin, the limit switch of this axis is faulty; replace it with a new, identical one.

  If the axis remains inactive, refer to "Case 2".