¶ Fault Phenomenon:
During printing or when the printer is powered on, an error message appears on the touchscreen or in Fluidd: TMC stepper_z reports error DRV_STATUS40190010 s2vsa=1
¶ Fault Cause:
- Poor contact of the Z motor connector
- Fault in one of the following components: mainboard / one of the two Z motors / Z motor cable
¶ Tools Required for Troubleshooting:
2.0mm hex screwdriver
¶ Troubleshooting Steps:
¶ 1. Re-plug the connector on the Z motor side
a. Turn off the printer power switch and unplug the power cord.
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b. Check whether the connector on the Z motor side is loose, and re-plug this connector.
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¶ 2. Re-plug the Z motor connector on the mainboard side
a. Turn off the printer power switch and unplug the power cord.
b. Use the 2.0mm hex screwdriver to remove the screws securing the bottom cover, then remove the bottom cover.
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Note: There is a wire connecting the bottom cover to the mainboard. Be sure to unplug the wire connector before removing the bottom cover.
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c. Check whether the Z motor connector on the mainboard side is loose, and re-plug the Z motor connector on the mainboard side.
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¶ 3. Test by disconnecting one of the Z motor connectors
a. Turn off the printer power switch and unplug the power cord.
b. Disconnect the Z motor connector on either the left or right side.
c. Plug in the power cord and turn on the printer power switch.
d. On the touchscreen, go to Prepare → Tap Z+ to control the Z-axis movement.
Note: Before the printer completes homing, the X/Y/Z motors cannot move in the X-/Y-/Z- directions.
- If the error message no longer appears when running the Z-axis, then the connected Z motor is faulty and needs to be replaced.
- If the error message appears when running the Z-axis with both the left and right Z motors disconnected, then the mainboard and Z motor cables need to be replaced.