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repetier / Repetier-Firmware

Firmware for Arduino based RepRap 3D printer.
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Z-axis randomly stops during print (filament on detection on) #618

Open sztojfen opened 7 years ago

sztojfen commented 7 years ago

Hello, Im using repetier firmware 0.92.9 with filament jam detection on. The printer itself works fine, but sometimes has some Z-axis issues. At random height it just suddenly stops. The other 2 axes work perfectly fine. After the print is cancelled, the z-axis is still NOT responsive. -im using MKS 1.4 -the printer detects filament jam correctly -the jam pin was originally set to z-max pin, I changed it to x-max pin, it didn't solve the problem -i did not notice this problem before firmware upgrade (0.91 before) -the ALWAYS_CHECK_ENDSTOPS is set to 0 -resetting the MKS solves the issue'(z-axis is "on the move" again) -I did not manage to notice any patterns with this problem, it occurs on random height, random models, random slicers etc.

As resetting the MKS solves the problem, my guess is that its not a hardware issue. Below is my config file:

define NUM_EXTRUDER 1

define MOTHERBOARD 33

include "pins.h"

undef FAN1_PIN

define FAN1_PIN 9

undef FAN2_PIN

#define FAN2_PIN HEATER_1_PIN

//#undef FAN_BOARD_PIN //#define FAN_BOARD_PIN 9 //HEATER_2_PIN

define BOARD_FAN_SPEED 128

define FAN_THERMO_PIN -1

define FAN_THERMO_MIN_PWM 128

define FAN_THERMO_MAX_PWM 255

define FAN_THERMO_MIN_TEMP 45

define FAN_THERMO_MAX_TEMP 60

define FAN_THERMO_THERMISTOR_PIN -1

define FAN_THERMO_THERMISTOR_TYPE 1

//#define EXTERNALSERIAL use Arduino serial library instead of build in. Requires more ram, has only 63 byte input buffer. // Uncomment the following line if you are using Arduino compatible firmware made for Arduino version earlier then 1.0 // If it is incompatible you will get compiler errors about write functions not being compatible! //#define COMPAT_PRE1

define BLUETOOTH_SERIAL -1

define BLUETOOTH_BAUD 115200

define MIXING_EXTRUDER 0

define DRIVE_SYSTEM 0

define XAXIS_STEPS_PER_MM 160

define YAXIS_STEPS_PER_MM 160

define ZAXIS_STEPS_PER_MM 800

define EXTRUDER_FAN_COOL_TEMP 50

define PDM_FOR_EXTRUDER 0

define PDM_FOR_COOLER 0

define DECOUPLING_TEST_MAX_HOLD_VARIANCE 20

define DECOUPLING_TEST_MIN_TEMP_RISE 1

define KILL_IF_SENSOR_DEFECT 0

define RETRACT_ON_PAUSE 6

define PAUSE_START_COMMANDS ""

define PAUSE_END_COMMANDS ""

define SHARED_EXTRUDER_HEATER 0

define EXT0_X_OFFSET 0

define EXT0_Y_OFFSET 0

define EXT0_Z_OFFSET 0

define EXT0_STEPS_PER_MM 184

define EXT0_TEMPSENSOR_TYPE 1

define EXT0_TEMPSENSOR_PIN TEMP_0_PIN

define EXT0_HEATER_PIN HEATER_0_PIN

define EXT0_STEP_PIN ORIG_E0_STEP_PIN

define EXT0_DIR_PIN ORIG_E0_DIR_PIN

define EXT0_INVERSE 0

define EXT0_ENABLE_PIN ORIG_E0_ENABLE_PIN

define EXT0_ENABLE_ON 0

define EXT0_MIRROR_STEPPER 0

define EXT0_STEP2_PIN ORIG_E0_STEP_PIN

define EXT0_DIR2_PIN ORIG_E0_DIR_PIN

define EXT0_INVERSE2 0

define EXT0_ENABLE2_PIN ORIG_E0_ENABLE_PIN

define EXT0_MAX_FEEDRATE 50

define EXT0_MAX_START_FEEDRATE 20

define EXT0_MAX_ACCELERATION 2000

define EXT0_HEAT_MANAGER 1

define EXT0_WATCHPERIOD 1

define EXT0_PID_INTEGRAL_DRIVE_MAX 130

define EXT0_PID_INTEGRAL_DRIVE_MIN 20

define EXT0_PID_PGAIN_OR_DEAD_TIME 10

define EXT0_PID_I 0.5

define EXT0_PID_D 50

define EXT0_PID_MAX 170

define EXT0_ADVANCE_K 0

define EXT0_ADVANCE_L 0

define EXT0_ADVANCE_BACKLASH_STEPS 0

define EXT0_WAIT_RETRACT_TEMP 165

define EXT0_WAIT_RETRACT_UNITS 1

define EXT0_SELECT_COMMANDS ""

define EXT0_DESELECT_COMMANDS ""

define EXT0_EXTRUDER_COOLER_PIN -1

define EXT0_EXTRUDER_COOLER_SPEED 255

define EXT0_DECOUPLE_TEST_PERIOD 30000

define EXT0_JAM_PIN ORIG_Z_MAX_PIN

define EXT0_JAM_PULLUP 1

define FEATURE_RETRACTION 1

define AUTORETRACT_ENABLED 0

define RETRACTION_LENGTH 3

define RETRACTION_LONG_LENGTH 13

define RETRACTION_SPEED 40

define RETRACTION_Z_LIFT 0

define RETRACTION_UNDO_EXTRA_LENGTH 0

define RETRACTION_UNDO_EXTRA_LONG_LENGTH 0

define RETRACTION_UNDO_SPEED 20

define FILAMENTCHANGE_X_POS 0

define FILAMENTCHANGE_Y_POS 0

define FILAMENTCHANGE_Z_ADD 2

define FILAMENTCHANGE_REHOME 1

define FILAMENTCHANGE_SHORTRETRACT 5

define FILAMENTCHANGE_LONGRETRACT 50

define JAM_STEPS 400

define JAM_SLOWDOWN_STEPS 700

define JAM_SLOWDOWN_TO 70

define JAM_ERROR_STEPS 1400

define JAM_MIN_STEPS 30

define JAM_ACTION 0

define RETRACT_DURING_HEATUP true

define PID_CONTROL_RANGE 30

define SKIP_M109_IF_WITHIN 2

define SCALE_PID_TO_MAX 0

define TEMP_HYSTERESIS 0

define EXTRUDE_MAXLENGTH 900

define NUM_TEMPS_USERTHERMISTOR0 0

define USER_THERMISTORTABLE0 {}

define NUM_TEMPS_USERTHERMISTOR1 0

define USER_THERMISTORTABLE1 {}

define NUM_TEMPS_USERTHERMISTOR2 0

define USER_THERMISTORTABLE2 {}

define GENERIC_THERM_VREF 5

define GENERIC_THERM_NUM_ENTRIES 33

define HEATER_PWM_SPEED 0

// ############# Heated bed configuration ########################

define HAVE_HEATED_BED 0

define HEATED_BED_MAX_TEMP 120

define SKIP_M190_IF_WITHIN 3

define HEATED_BED_SENSOR_TYPE 1

define HEATED_BED_SENSOR_PIN TEMP_1_PIN

define HEATED_BED_HEATER_PIN HEATER_1_PIN

define HEATED_BED_SET_INTERVAL 5000

define HEATED_BED_HEAT_MANAGER 0

define HEATED_BED_PID_INTEGRAL_DRIVE_MAX 255

define HEATED_BED_PID_INTEGRAL_DRIVE_MIN 80

define HEATED_BED_PID_PGAIN_OR_DEAD_TIME 196

define HEATED_BED_PID_IGAIN 33

define HEATED_BED_PID_DGAIN 290

define HEATED_BED_PID_MAX 255

define HEATED_BED_DECOUPLE_TEST_PERIOD 300000

define MIN_EXTRUDER_TEMP 180

define MAXTEMP 240

define MIN_DEFECT_TEMPERATURE -10

define MAX_DEFECT_TEMPERATURE 290

// ########################################################################################## // ## Laser configuration ## // ##########################################################################################

/* If the firmware is in laser mode, it can control a laser output to cut or engrave materials. Please use this feature only if you know about safety and required protection. Lasers are dangerous and can hurt or make you blind!!!

The default laser driver only supports laser on and off. Here you control the eíntensity with your feedrate. For exchangeable diode lasers this is normally enough. If you need more control you can set the intensity in a range 0-255 with a custom extension to the driver. See driver.h and comments on how to extend the functions non invasive with our event system.

If you have a laser - powder system you will like your E override. If moves contain a increasing extruder position it will laser that move. With this trick you can use existing fdm slicers to laser the output. Laser width is extrusion width.

Other tools may use M3 and M5 to enable/disable laser. Here G1/G2/G3 moves have laser enabled and G0 moves have it disables.

In any case, laser only enables while moving. At the end of a move it gets automatically disabled. */

define SUPPORT_LASER 0

define LASER_PIN -1

define LASER_ON_HIGH 1

// ## CNC configuration ##

/ If the firmware is in CNC mode, it can control a mill with M3/M4/M5. It works similar to laser mode, but mill keeps enabled during G0 moves and it allows setting rpm (only with event extension that supports this) and milling direction. It also can add a delay to wait for spindle to run on full speed. /

define SUPPORT_CNC 0

define CNC_WAIT_ON_ENABLE 300

define CNC_WAIT_ON_DISABLE 0

define CNC_ENABLE_PIN -1

define CNC_ENABLE_WITH 1

define CNC_DIRECTION_PIN -1

define CNC_DIRECTION_CW 1

define DEFAULT_PRINTER_MODE 0

// ################ Endstop configuration #####################

define ENDSTOP_PULLUP_X_MIN true

define ENDSTOP_X_MIN_INVERTING true

define MIN_HARDWARE_ENDSTOP_X true

define ENDSTOP_PULLUP_Y_MIN true

define ENDSTOP_Y_MIN_INVERTING true

define MIN_HARDWARE_ENDSTOP_Y true

define ENDSTOP_PULLUP_Z_MIN true

define ENDSTOP_Z_MIN_INVERTING false

define MIN_HARDWARE_ENDSTOP_Z true

define ENDSTOP_PULLUP_X_MAX true

define ENDSTOP_X_MAX_INVERTING false

define MAX_HARDWARE_ENDSTOP_X false

define ENDSTOP_PULLUP_Y_MAX true

define ENDSTOP_Y_MAX_INVERTING false

define MAX_HARDWARE_ENDSTOP_Y false

define ENDSTOP_PULLUP_Z_MAX true

define ENDSTOP_Z_MAX_INVERTING false

define MAX_HARDWARE_ENDSTOP_Z false

define max_software_endstop_r true

define min_software_endstop_x false

define min_software_endstop_y false

define min_software_endstop_z false

define max_software_endstop_x true

define max_software_endstop_y true

define max_software_endstop_z true

define ENDSTOP_X_BACK_MOVE 3

define ENDSTOP_Y_BACK_MOVE 3

define ENDSTOP_Z_BACK_MOVE 1

define ENDSTOP_X_RETEST_REDUCTION_FACTOR 3

define ENDSTOP_Y_RETEST_REDUCTION_FACTOR 3

define ENDSTOP_Z_RETEST_REDUCTION_FACTOR 3

define ENDSTOP_X_BACK_ON_HOME 1

define ENDSTOP_Y_BACK_ON_HOME 1

define ENDSTOP_Z_BACK_ON_HOME 0

define ALWAYS_CHECK_ENDSTOPS 0

// ################# XYZ movements ###################

define X_ENABLE_ON 0

define Y_ENABLE_ON 0

define Z_ENABLE_ON 0

define DISABLE_X 0

define DISABLE_Y 0

define DISABLE_Z 0

define DISABLE_E 0

define INVERT_X_DIR 0

define INVERT_Y_DIR 0

define INVERT_Z_DIR 0

define X_HOME_DIR -1

define Y_HOME_DIR -1

define Z_HOME_DIR -1

define X_MAX_LENGTH 150

define Y_MAX_LENGTH 150

define Z_MAX_LENGTH 130

define X_MIN_POS 1

define Y_MIN_POS -2

define Z_MIN_POS 0

define DISTORTION_CORRECTION 0

define DISTORTION_CORRECTION_POINTS 5

define DISTORTION_CORRECTION_R 100

define DISTORTION_PERMANENT 1

define DISTORTION_UPDATE_FREQUENCY 15

define DISTORTION_START_DEGRADE 0.5

define DISTORTION_END_HEIGHT 1

define DISTORTION_EXTRAPOLATE_CORNERS 0

define DISTORTION_XMIN 10

define DISTORTION_YMIN 10

define DISTORTION_XMAX 190

define DISTORTION_YMAX 190

// ########################################################################################## // ## Movement settings ## // ##########################################################################################

define FEATURE_BABYSTEPPING 1

define BABYSTEP_MULTIPLICATOR 1

define DELTA_SEGMENTS_PER_SECOND_PRINT 180 // Move accurate setting for print moves

define DELTA_SEGMENTS_PER_SECOND_MOVE 70 // Less accurate setting for other moves

define EXACT_DELTA_MOVES 1

// Delta settings

define DELTA_HOME_ON_POWER 0

define DELTASEGMENTS_PER_PRINTLINE 24

define STEPPER_INACTIVE_TIME 120L

define MAX_INACTIVE_TIME 900L

define MAX_FEEDRATE_X 200

define MAX_FEEDRATE_Y 200

define MAX_FEEDRATE_Z 6

define HOMING_FEEDRATE_X 40

define HOMING_FEEDRATE_Y 40

define HOMING_FEEDRATE_Z 4

define HOMING_ORDER HOME_ORDER_XYZ

define ZHOME_MIN_TEMPERATURE 0

define ZHOME_HEAT_ALL 1

define ZHOME_HEAT_HEIGHT 20

define ZHOME_X_POS 999999

define ZHOME_Y_POS 999999

define ENABLE_BACKLASH_COMPENSATION 1

define X_BACKLASH 0

define Y_BACKLASH 0

define Z_BACKLASH 0

define RAMP_ACCELERATION 1

define STEPPER_HIGH_DELAY 0

define DIRECTION_DELAY 0

define STEP_DOUBLER_FREQUENCY 12000

define ALLOW_QUADSTEPPING 1

define DOUBLE_STEP_DELAY 0 // time in microseconds

define MAX_ACCELERATION_UNITS_PER_SQ_SECOND_X 250

define MAX_ACCELERATION_UNITS_PER_SQ_SECOND_Y 250

define MAX_ACCELERATION_UNITS_PER_SQ_SECOND_Z 100

define MAX_TRAVEL_ACCELERATION_UNITS_PER_SQ_SECOND_X 1000

define MAX_TRAVEL_ACCELERATION_UNITS_PER_SQ_SECOND_Y 1000

define MAX_TRAVEL_ACCELERATION_UNITS_PER_SQ_SECOND_Z 100

define INTERPOLATE_ACCELERATION_WITH_Z 0

define ACCELERATION_FACTOR_TOP 100

define MAX_JERK 10

define MAX_ZJERK 0.3

define PRINTLINE_CACHE_SIZE 8

define MOVE_CACHE_LOW 4

define LOW_TICKS_PER_MOVE 250000

define EXTRUDER_SWITCH_XY_SPEED 100

define DUAL_X_AXIS 0

define FEATURE_TWO_XSTEPPER 0

define X2_STEP_PIN ORIG_E1_STEP_PIN

define X2_DIR_PIN ORIG_E1_DIR_PIN

define X2_ENABLE_PIN ORIG_E1_ENABLE_PIN

define FEATURE_TWO_YSTEPPER 0

define Y2_STEP_PIN ORIG_E1_STEP_PIN

define Y2_DIR_PIN ORIG_E1_DIR_PIN

define Y2_ENABLE_PIN ORIG_E1_ENABLE_PIN

define FEATURE_TWO_ZSTEPPER 0

define Z2_STEP_PIN ORIG_E1_STEP_PIN

define Z2_DIR_PIN ORIG_E1_DIR_PIN

define Z2_ENABLE_PIN ORIG_E1_ENABLE_PIN

define FEATURE_THREE_ZSTEPPER 0

define Z3_STEP_PIN ORIG_E2_STEP_PIN

define Z3_DIR_PIN ORIG_E2_DIR_PIN

define Z3_ENABLE_PIN ORIG_E2_ENABLE_PIN

define FEATURE_DITTO_PRINTING 0

define USE_ADVANCE 0

define ENABLE_QUADRATIC_ADVANCE 0

// ################# Misc. settings ##################

define BAUDRATE 115200

define ENABLE_POWER_ON_STARTUP 0

define POWER_INVERTING 0

define KILL_METHOD 1

define ACK_WITH_LINENUMBER 1

define WAITING_IDENTIFIER "wait"

define ECHO_ON_EXECUTE 1

define EEPROM_MODE 1

undef PS_ON_PIN

define PS_ON_PIN -1

define JSON_OUTPUT 0

/ ======== Servos ======= Control the servos with M340 P S / ServoID = 0..3 pulseInUs = 500..2500 Servos are controlled by a pulse width normally between 500 and 2500 with 1500ms in center position. 0 turns servo off. WARNING: Servos can draw a considerable amount of current. Make sure your system can handle this or you may risk your hardware! /

define FEATURE_SERVO 0

define SERVO0_PIN 11

define SERVO1_PIN -1

define SERVO2_PIN -1

define SERVO3_PIN -1

define SERVO0_NEUTRAL_POS -1

define SERVO1_NEUTRAL_POS -1

define SERVO2_NEUTRAL_POS -1

define SERVO3_NEUTRAL_POS -1

define UI_SERVO_CONTROL 0

define FAN_KICKSTART_TIME 200

    #define FEATURE_WATCHDOG 0

// #################### Z-Probing #####################

define Z_PROBE_Z_OFFSET 0

define Z_PROBE_Z_OFFSET_MODE 0

define UI_BED_COATING 1

define FEATURE_Z_PROBE 0

define Z_PROBE_BED_DISTANCE 10

define Z_PROBE_PIN -1

define Z_PROBE_PULLUP 0

define Z_PROBE_ON_HIGH 0

define Z_PROBE_X_OFFSET 0

define Z_PROBE_Y_OFFSET 0

define Z_PROBE_WAIT_BEFORE_TEST 0

define Z_PROBE_SPEED 2

define Z_PROBE_XY_SPEED 150

define Z_PROBE_SWITCHING_DISTANCE 1

define Z_PROBE_REPETITIONS 1

define Z_PROBE_HEIGHT 40

define Z_PROBE_START_SCRIPT ""

define Z_PROBE_FINISHED_SCRIPT ""

define Z_PROBE_REQUIRES_HEATING 0

define Z_PROBE_MIN_TEMPERATURE 150

define FEATURE_AUTOLEVEL 1

define Z_PROBE_X1 20

define Z_PROBE_Y1 20

define Z_PROBE_X2 160

define Z_PROBE_Y2 20

define Z_PROBE_X3 100

define Z_PROBE_Y3 160

define BED_LEVELING_METHOD 0

define BED_CORRECTION_METHOD 0

define BED_LEVELING_GRID_SIZE 5

define BED_LEVELING_REPETITIONS 5

define BED_MOTOR_1_X 0

define BED_MOTOR_1_Y 0

define BED_MOTOR_2_X 200

define BED_MOTOR_2_Y 0

define BED_MOTOR_3_X 100

define BED_MOTOR_3_Y 200

define BENDING_CORRECTION_A 0

define BENDING_CORRECTION_B 0

define BENDING_CORRECTION_C 0

define FEATURE_AXISCOMP 0

define AXISCOMP_TANXY 0

define AXISCOMP_TANYZ 0

define AXISCOMP_TANXZ 0

ifndef SDSUPPORT // Some boards have sd support on board. These define the values already in pins.h

define SDSUPPORT 0

undef SDCARDDETECT

define SDCARDDETECT -1

define SDCARDDETECTINVERTED 0

endif

define SD_EXTENDED_DIR 0 /* Show extended directory including file length. Don't use this with Pronterface! /

define SD_RUN_ON_STOP ""

define SD_STOP_HEATER_AND_MOTORS_ON_STOP 1

define ARC_SUPPORT 1

define FEATURE_MEMORY_POSITION 1

define FEATURE_CHECKSUM_FORCED 1

define FEATURE_FAN_CONTROL 1

define FEATURE_FAN2_CONTROL 1

define FEATURE_CONTROLLER 0

define ADC_KEYPAD_PIN -1

define LANGUAGE_EN_ACTIVE 1

define LANGUAGE_DE_ACTIVE 1

define LANGUAGE_NL_ACTIVE 0

define LANGUAGE_PT_ACTIVE 1

define LANGUAGE_IT_ACTIVE 1

define LANGUAGE_ES_ACTIVE 1

define LANGUAGE_FI_ACTIVE 0

define LANGUAGE_SE_ACTIVE 0

define LANGUAGE_FR_ACTIVE 1

define LANGUAGE_CZ_ACTIVE 0

define LANGUAGE_PL_ACTIVE 1

define LANGUAGE_TR_ACTIVE 1

define UI_PRINTER_NAME "RepRap"

define UI_PRINTER_COMPANY "Home made"

define UI_PAGES_DURATION 4000

define UI_ANIMATION 0

define UI_SPEEDDEPENDENT_POSITIONING 0

define UI_DISABLE_AUTO_PAGESWITCH 1

define UI_AUTORETURN_TO_MENU_AFTER 30000

define FEATURE_UI_KEYS 0

define UI_ENCODER_SPEED 1

define UI_REVERSE_ENCODER 0

define UI_KEY_BOUNCETIME 10

define UI_KEY_FIRST_REPEAT 500

define UI_KEY_REDUCE_REPEAT 50

define UI_KEY_MIN_REPEAT 50

define FEATURE_BEEPER 0

define CASE_LIGHTS_PIN -1

define CASE_LIGHT_DEFAULT_ON 1

define UI_START_SCREEN_DELAY 1000

define UI_DYNAMIC_ENCODER_SPEED 1

    /**

Beeper sound definitions for short beeps during key actions and longer beeps for important actions. Parameter is delay in microseconds and the secons is the number of repetitions. Values must be in range 1..255 */

define BEEPER_SHORT_SEQUENCE 2,2

define BEEPER_LONG_SEQUENCE 8,8

define UI_SET_PRESET_HEATED_BED_TEMP_PLA 60

define UI_SET_PRESET_EXTRUDER_TEMP_PLA 190

define UI_SET_PRESET_HEATED_BED_TEMP_ABS 110

define UI_SET_PRESET_EXTRUDER_TEMP_ABS 240

define UI_SET_MIN_HEATED_BED_TEMP 30

define UI_SET_MAX_HEATED_BED_TEMP 120

define UI_SET_MIN_EXTRUDER_TEMP 170

define UI_SET_MAX_EXTRUDER_TEMP 260

define UI_SET_EXTRUDER_FEEDRATE 2

define UI_SET_EXTRUDER_RETRACT_DISTANCE 3

define NUM_MOTOR_DRIVERS 0

endif

chexov commented 7 years ago

I can confirm having same issue. Even during homing (XYZ) Z axis stops randomly. Even rewired all my signal and power cabels since I was thinking it was the noise. After a week of struggle I rollback to Marlin ad surprised it worked. Stayed there to have a working system. Ready to test dev branch or PR. :beer:

repetier commented 7 years ago

How does this show up. Are it several moves the got skipped or is the z completely not working. If not working does it make sounds like loosing steps? If you hear a buzz on moves the acceleration or z jerk is probably too high. Please also check what you have in eeprom compared to configuration.h as we use values in eeprom.

sztojfen commented 7 years ago

The z axis is not working at all. There is no noise at all and no z movement at all. The x and y axes continue the print at the same height. It fells like the enable pin is off. Next week i will connect the stp and enable pins of z stepper driver to oscilloscope and post the results. The firmware is freshly loaded, followed by m502 and m500 just to be sure, so the EEPROM values are same as in config.

Merry Xmas!

repetier commented 7 years ago

Enable is easy to test. You can turn z axis easily by hand if enable is off. Would be a interesting test.

Alternatively it could be that it does not queue the move or abort directly if endstop is triggered but that would normally vanish for next move if it is a false signal.

Could some other function use the same pin (enable) and get triggered somehow when it happens?

In any case I never had that picture. Already curious what it turns out.

chexov commented 7 years ago

I periodically update development branch just to help with testing on one of mine DIY UMO machines. Last time I got this issue reproduced it was on 0e0d78b6267e527f3ed5f1857fe587d23233dc5d commit. So issue appeared with no change in hardware for me. Z limit switch is NC. Nothing else connected with it.

repetier commented 7 years ago

@sztojfen seems to have it in 0.92.9 and that was last updated 15. August. So if it is a firmware error is must be introduced even before commit 0e0d78b which did not add any code only pins for a new board.

I don't know how frequent that problem occurs but I never had it on my printer and none of our known testers has them. And not being able to move z any more until reset is something they would mention. So there must be something in the setup that causes that error to appear. And since it happens only during printing at random (right?) points it is hard to say what it is. I must be able to reproduce it to fix it or someone where it happens has to run tests instead adding some debug messages at strategic places so we see why they do not get executed. Hope to publish new dev version soon with many changes (new menu structure/communication handling). Will add some macros for testing there as well. And maybe until then @sztojfen finds some more hints so I can give some advice what to test to detect the reason.

Sanitar777 commented 7 years ago

is the z completely not working. If not working does it make sounds like loosing steps?

I have the same problem on firmware Dev. During printing, the Z axis turns off and it make sounds like loosing steps.

Enable is easy to test. You can turn z axis easily by hand if enable is off. Would be a interesting test.

Yes, it is easy to turn the Z-axis by hand. I have H-bot/CoreXY on Arduino DUE + RADDS + RADDS LCD, with Z dual STEPPER Drivers and Z dual EndStop at MAX positions.

Thank you.