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Test axes or motors individually

To test a motor individually, first position the carriage(s) well away for the endstops. Then send G91 to select relative coordinates. Then use G1 S2 moves to test motors. Here is an example:

CommandWhat to expect (Cartesian)What to expect (CoreXY)What to expect (Delta)What to expect (Scara)
G91
G1 S2 X10 F100Print head moves 10mm in the +X directionPrint head moves 5mm in the +X direction and 5mm in the -Y directionX carriage moves up 10mmProximal arm moves anticlockwise 10 degrees
G1 S2 X-10Print head moves 10mm in the -X directionPrint head moves 5mm in the -X direction and 5mm in the +Y directionX carriage moves down 10mmProximal arm moves clockwise 10 degrees
G1 S2 Y10Print head moves 10mm in the +Y directionPrint head moves 5mm in the -X direction and 5mm in the +Y directionY carriage moves up 10mmDistal arm moves anticlockwise 10 degrees
G1 S2 X-10Print head moves 10mm in the -Y directionPrint head moves 5mm in the +X direction and 5mm in the -Y directionY carriage moves down 10mmDistal arm moves clockwise 10 degrees
G1 S2 Z10Print head moves 10mm in the +Z directionPrint head moves 10mm in the +Z directionZ carriage moves up 10mmPrint head moves 10mm in the +Z direction
G1 S2 Z-10Print head moves 10mm in the -Z directionPrint head moves 10mm in the -Z directionZ carriage moves down 10mmPrint head moves 10mm in the -Z direction

In this example I specified a feed rate of 100mm/min in the G1 S2 X10 command, so the 10mm moves should each complete in 6 seconds.

If any of the motors moves the wrong way, you can change the direction by editing the appropriate M569 command in config,g. Using standard drive assignment, P0 refers to the X motor, P1 to the Y motor, and P2 to the Z motor(s). Flip the direction by changing S1 to S0 or vice versa. For example, if the Y axis moves the wrong way and there is a M569 P1 S1 command in config.g, change S1 to S0 in that command.

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