@jay_s_uk
thanks
will do so and keep you posted

@jay_s_uk

@droftarts
Hi.

another event.
it is certainly looks like 1 driver out of 4 of X axis lost his microsteping definition.
[M350 Lost for 1 of 4 X axis drivers.

M122.txt config.g M350 Lost for 1 of 4 X axis drivers.mp4

attached is a video nd config + M122 output.

please advice.
this happen with multiple FW version (3.3 + 3.4.5 + 3.5.2)
this happen with drivers from the duet/duex

; Configuration file for Duet WiFi (firmware version 3)
; executed by the firmware on start-up
;
; generated by RepRapFirmware Configuration Tool v3.2.3 on Sun Jun 06 2021 20:45:39 GMT+0300 (Israel Daylight Time)

; General preferences
G90                                            ; send absolute coordinates...
M83                                            ; ...but relative extruder moves
M550 P"FT6_7"                                    ; set printer name

; Network
M552 S1                                        ; enable network
M586 P0 S1                                     ; enable HTTP
M586 P1 S0                                     ; disable FTP
M586 P2 S0                                     ; disable Telnet

M584 X3:4:5:6 Y0 Z8:7 E1:2

M671 X-220:740 Y175:175 S15 ; leadscrews at left (connected to Z) and right (connected to E1) of X axis
; Drives
M569 P0 S0                               ; Drive 0 goes forwards
M569 P1 S1                               ; Drive 1 goes backwards
M569 P2 S1                               ; Drive 2 goes backwards
M569 P3 S1                               ; Drive 3 goes forwards
M569 P4 S0                               ; Drive 4 goes backwards
M569 P5 S0                               ; Drive 5 goes forwards
M569 P6 S1                               ; Drive 6 goes forwards
M569 P7 S0                               ; Drive 7 goes forwards
M569 P8 S0                               ; Drive 8 goes forwards
M569 P9 S0                               ; Drive 9 goes forwards
M350 X16 Y16 Z16 E16 I1                  ; Configure microstepping with interpolation
M92 X80.00 Y80.00 Z1440 E400        ; Set steps per mm
M566 X900 Y900 Z24 E1200.00              ; Set maximum instantaneous speed changes (mm/min)
M203 X12000.00 Y12000.00 Z720 E7200.00  ; Set maximum speeds (mm/min)
M201 X1000.00 Y1000.00 Z500.00 E10000.00 ; Set accelerations (mm/s^2)
M906 X1600.00 Y1200.00 Z1600.00 E750.00 I30; Set motor currents (mA) and motor idle factor in per cent
M84 S30                                  ; Set idle timeout

; switch motor
M950 P0 C"spi.cs1"
M950 P1 C"spi.cs2" 
M950 P2 C"spi.cs3"



; Axis Limits
M208 X0 Y0 Z0 S1                               ; set axis minima
M208 X750 Y350 Z750 S0                         ; set axis maxima

; Endstops
M574 X1 S1 P"!xstop"                            ; configure active-high endstop for low end on X via pin xstop
M574 Y1 S1 P"!ystop"                            ; configure active-high endstop for low end on Y via pin ystop
M574 Z1 S2                                      ; configure Z-probe endstop for low end on Z

;M591 D0 P3 C"e0_stop" S1 R70:130 L24.8 E1000 ; Duet3D rotating magnet sensor for extruder drive 0 is connected to E0 endstop input, enabled, sensitivity 24.8mm.rev, 70% to 130% tolerance, ;3mm detection length
M591 D0 ; display filament sensor parameters for extruder drive 0
;M591 P3 C"e0_stop" S1 D3 L3 E4                          ; filament monitor connected to E0_stop

; Z-Probe
M558 P1 C"zprobe.in" H5 F500:50 T6000             ; set Z probe type to unmodulated and the dive height + speeds
G31 P500 X-10 Y25 Z0                       ; set Z probe trigger value, offset and trigger height
M557 X15:700 Y30:320 p20:14                      ; define mesh grid
M376 H50

; Heaters
M308 S0 P"bedtemp" Y"thermistor" T100000 B4092     ; configure sensor 0 as thermistor on pin bedtemp
M950 H0 C"bedheat" T0                              ; create bed heater output on bedheat and map it to sensor 0
M307 H0                                            ; enable bang-bang mode for the bed heater and set PWM limit
M140 H0                                            ; map heated bed to heater 0
M143 H0 S150                                       ; set temperature limit for heater 0 to 150C
M308 S1 P"e0temp" Y"thermistor" T100000 B4580 C7.06e-8      ; configure sensor 1 as thermistor on pin e0temp
M950 H1 C"e0heat" T1                               ; create nozzle heater output on e0heat and map it to sensor 1
M307 H1 B0 S1.00                                   ; disable bang-bang mode for heater  and set PWM limit
M143 H1 S400                                       ; set temperature limit for heater 1 to 275C
M308 S2 P"e0temp" Y"thermistor" T100000 B4580 C7.06e-8      ; configure sensor 2 as thermistor on pin e1temp
M950 H2 C"e0heat" T2                               ; create nozzle heater output on e1heat and map it to sensor 2
M307 H2 B0 S1.00                                   ; disable bang-bang mode for heater  and set PWM limit
M143 H2 S400                                       ; set temperature limit for heater 2 to 275C
M308 S3 P"e0temp" Y"thermistor" T100000 B4580 C7.06e-8      ; configure sensor 3 as thermistor on pin duex.e2temp
M950 H3 C"e0heat" T3                               ; create nozzle heater output on duex.e2heat and map it to sensor 3
M307 H3 B0 S1.00                                   ; disable bang-bang mode for heater  and set PWM limit
M143 H3 S400                                       ; set temperature limit for heater 3 to 275C
M308 S4 P"e0temp" Y"thermistor" T100000 B4580 C7.06e-8      ; configure sensor 4 as thermistor on pin duex.e2temp
M950 H4 C"e0heat" T4                               ; create nozzle heater output on duex.e2heat and map it to sensor 4
M307 H4 B0 S1.00                                   ; disable bang-bang mode for heater  and set PWM limit
M143 H4 S400                                       ; set temperature limit for heater 4 to 275C
M308 S5 P"e0temp" Y"thermistor" T100000 B4580 C7.06e-8      ; configure sensor 5 as thermistor on pin duex.e2temp
M950 H5 C"e0heat" T5                               ; create nozzle heater output on duex.e2heat and map it to sensor 5
M307 H5 B0 S1.00                                   ; disable bang-bang mode for heater  and set PWM limit
M143 H5 S400                                       ; set temperature limit for heater 5 to 275C


; Fans
M950 F0 C"fan0" Q500                           ; create fan 0 on pin fan0 and set its frequency
M106 P0 S0 H-1                                 ; set fan 0 value. Thermostatic control is turned off
M950 F1 C"fan1" Q500                           ; create fan 1 on pin fan1 and set its frequency
M106 P1 S1 H1 T45                              ; set fan 1 value. Thermostatic control is turned on

; Tools
M563 P0 D0:1 H1 F0                                  ; define tool 0
M567 P0 E1.0:1.0

M563 P1 D0:1 H1 F0                                   ; define tool 1
M567 P1 E1.0:1.0

M563 P2 D0:1 H1 F0                                   ; define tool 2
M567 P2 E1.0:1.0

M563 P3 D0:1 H1 F0                                   ; define tool 3
M567 P3 E1.0:1.0

M563 P4 D0:1 H1 F0                                   ; define tool 4
M567 P4 E1.0:1.0

M563 P5 D0:1 H1 F0                                   ; define tool 5
M567 P5 E1.0:1.0

G10 P0 X0 Y0 Z0                                    ; set tool 0 axis offsets
G10 P1 X0 Y0 Z0                                    ; set tool 1 axis offsets
G10 P2 X0 Y0 Z0                                    ; set tool 2 axis offsets
G10 P3 X0 Y0 Z0                                    ; set tool 3 axis offsets
G10 P4 X0 Y0 Z0                                    ; set tool 4 axis offsets
G10 P5 X0 Y0 Z0                                    ; set tool 5 axis offsets

G10 P0 R0 S0                                       ; set initial tool 0 active and standby temperatures to 0C
G10 P1 R0 S0                                       ; set initial tool 1 active and standby temperatures to 0C
G10 P2 R0 S0                                       ; set initial tool 2 active and standby temperatures to 0C
G10 P3 R0 S0                                       ; set initial tool 2 active and standby temperatures to 0C
G10 P4 R0 S0                                       ; set initial tool 2 active and standby temperatures to 0C
G10 P5 R0 S0                                       ; set initial tool 2 active and standby temperatures to 0C


; Custom settings are not defined

; Miscellaneous
M575 P1 S1 B57600                              ; enable support for PanelDue
M501                                                            ; load saved parameters from non-volatile memory
M911 S10 R11 P"M913 X0 Y0 G91 M83 G1 Z3 E-5 F1000"              ; set voltage thresholds and actions to run on power loss

@maor3degem-co-il @Maestro
I double checked it and
the motor doesn't move 1/16 cycles than the other
both motors are define in the same axis so it is impossible to define different micro stepping for each motor. and when I typed M584 the machine return 1:16 micro stepping for those X axis drivers/motors

Regards
Maor

@Maestro
I double checked it and
the motor doesn't move 1/16 cycles than the other
both motors are define in the same axis so it is impossible to define different micro stepping for each motor. and when I typed M584 the machine return 1:16 micro stepping for those X axis drivers/motors

Regards
Maor

@droftarts
The driver error is due to the carriage fall cut the wire.

by the way, the machine is on pause right now and I can see the problem of the motors. if I will restart the machine the problem will go a way till next time.

and before restart the is no evidence of changing in the configuration

@maor3degem-co-il
we have 15 machine that look pretty much the same.
we used them for 4 years without any problem like this,
this start happen in the last 4 months...

can heavy dust cause this?

@droftarts Hi
thanks for your help,
in the second, the Z motor also turning different length , the same symptom as with the X axis. and the Z connected to the main board...

in addition we face this problem with a few machines we have (5) and it is occur also in the main boards drivers.

please advice what else can help us to solve this problems

Regards
Maor

@Maestro
I alsothought this could be,
but. this 2 motor define as the same axis. so cannot be done.
and also I check the m350 and it remain OK as define in the config

@jay_s_uk
Here is again, 3 pairs of motor are out of sync.
config.g M122.txt Vid.mp4

this is with the latest FW version 3.5.2

please advise

@jay_s_uk
thanks
will do so and keep you posted