Hi David,
Full power without motion errors are generated when the control is attempting to command motion on an axis but the appropriate encoder feedback from that axis is missing.
The causes of the full power without motion can generally by narrowed down to:
1. Problem with the encoder.
Check: Confirm that you have encoder feedback on all axes. Rotate the X, Y and Z axis motors by hand. Do the DRO positions update smoothly for each axis?
2. Problem with a limit switch.
Check: With power off, confirm that you have continuity between input common and each limit direction on all axes. Limit inputs can be found on H21 on the DC3IOB
- H21 blank.jpg (55.75 KiB) Viewed 6880 times
3. Software configuration and/or software limit switch configuration problem.
Check: Confirm that Mach doesn't see any limits tripped and that the enables are set. Clear Reset, then prior to commanding motion, go to the "diagnostics" screen in Mach (alt F7) and confirm all axes are enabled and that no limits are tripped (In the screen shown the Y axis is not enabled and the Y - limit is tripped)
4. Problem with motor power.
Check: Is the Estop contactor on? Confirm that there is ~120VDC across VM+ & VM- on H3 of the DC3IOB.
5. Problem with the Servo Drive
Check: If only some of the axes are effected, power off and switch the motor and encoder cables from a working axis to faulty axis and vice-versa. Does the problem follow the motor or the drive?
6. Problem with the motor.
Check: If only some of the axes are effected, power off and switch the motor and encoder cables from a working axis to faulty axis and vice-versa. Does the problem follow the motor or the drive?