Solved Under powered stepper motors or something else?
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Having an issue with an old duet wifi that I have where it seems to be under powering the stepper motors.
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list item I cannot get the Z stepper to run two motors like on all the rest of my printers even though I am using the same motors on all. I having to use the E0 stepper for one of the Z motors.
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I am using a Nema 14 stepper at 400ma for my extruder but it will not run with any amount of torque. I can grab the motor shaft and stop it from turning with almost no pressure. I thought maybe that I had a bad motor so I hooked up one of my Nema 17s at 1800ma and it does the same thing.
Nema 14 stepper motor I am using: 14HS10-0404S
Nema 17 stepper motor I am using: KL17H248-25-4AConfig:
;Endstop Settings*******************************************************************
M574 Z1 S2 ; Set endstops controlled by probe
M574 X1 Y1 S1 ; Set active high endstops;Z-Probe*******************************************************************
M307 H7 A-1 C-1 D-1 ; Disable heater on PWM channel for BLTouch
M558 P9 H10 F180 T6000 ; Set Z probe type to bltouch and the dive height + speeds
G31 P25 X25 Y11.95 Z0 ; Set Z probe trigger value, offset and trigger height
M557 X15:250 Y15:250 S20 ; Define mesh grid;Drives*******************************************************************
M584 X0 Y1 Z2:3 E4
M569 P0 S0 ; Drive 0 goes forwards
M569 P1 S0 ; Drive 1 goes forwards
M569 P2 S1 ; Drive 2 goes backwards
M569 P3 S1 ; Drive 3 goes backwards
M569 P4 S0 ; Drive 4 goes backwards
M350 X16 Y16 Z16 E16:16 I1 ; Configure microstepping with interpolation
M92 X80 Y80 Z1600 E848.2:E848.2 ; Set steps per mm
M566 X400 Y400 Z500 E400:400 ; Set maximum instantaneous speed changes (mm/min)
M203 X30000 Y30000 Z400 E2000:2000 ; Set maximum speeds (mm/min)
M201 X800 Y800 Z200 E300:300 ; Set accelerations (mm/s^2)
M906 X1200 Y1200 Z1300 E400:400 I30 ; Set motor currents (mA) and motor idle factor in percent
M84 S30 ; Set idle timeout;Heaters*******************************************************************
M305 P0 T100000 B4138 R4700 ; Set thermistor + ADC parameters for heater 0
M143 H0 S100 ; Set temperature limit for heater 0 to 100C
M305 P1 T100000 B4388 C7.060000e-8 R4700 ; Set thermistor + ADC parameters for heater 1
M143 H1 S280 ; Set temperature limit for heater 1 to 280C
M305 P2 T100000 B4388 C7.060000e-8 R4700 ; Set thermistor + ADC parameters for heater 2
M143 H2 S280 ; Set temperature limit for heater 2 to 280C
;M307 H1 A773.8 C240.5 D5.7 B0 ; Set PID Auto tune for H0
;M307 H2 A835.3 C250 D4.1 B0 ; Set PID Auto tune for H1;Tools*******************************************************************
M563 P0 D0 H1 ; Define tool 0
G10 P0 X0 Y0 Z0 ; Set tool 0 axis offsets
G10 P0 R0 S0 ; Set initial tool 0 active and standby temperatures to 0C
M563 P1 D1 H2 ; Define tool 1
G10 P1 X18 Y0 Z0 ; Set tool 1 axis offsets
G10 P1 R0 S0 ; Set initial tool 1 active and standby temperatures to 0C;Network*******************************************************************
M552 S1 ; Enable network
M550 P"BOXX" ; Set machine name
;M587 S"jupitorstation" P"leamon123" I192.168.0.121 J192.168.0.1 K255.255.255.0 ; Configure access point and IP addresses. You can delete this line once connected
M586 P0 S1 ; Enable HTTP
M586 P1 S0 ; Disable FTP
M586 P2 S0 ; Disable Telnet;Fans*******************************************************************
M106 P0 S1 I0 F500 H-1 ; Set fan 0 value, PWM signal inversion and frequency. Thermostatic control is turned off
M106 P2 S1 I0 F500 H1:2 T60 ; Set fan 1 value, PWM signal inversion and frequency. Thermostatic control is turned on
M106 P3 S1 I0 F500 H-1 -
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@cdl1701yahoo-com said in Under powered stepper motors or something else?:
M584 X0 Y1 Z2:3 E4
350 X16 Y16 Z16 E16:16 I1 ; Configure microstepping with interpolation
M92 X80 Y80 Z1600 E848.2:E848.2 ; Set steps per mm
M566 X400 Y400 Z500 E400:400 ; Set maximum instantaneous speed changes (mm/min)
M203 X30000 Y30000 Z400 E2000:2000 ; Set maximum speeds (mm/min)
M201 X800 Y800 Z200 E300:300 ; Set accelerations (mm/s^2)
M906 X1200 Y1200 Z1300 E400:400 I30 ; Set motor currents (mA) and motor idle factor in percentYou are configuring 2 Z axis and 1 Extruder. Yet you are setting the next commands as if you have 2 extruders.
when you hooked up the other nema motor did you increase the current to match the motor?
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Originally I had the configuration set to have two extruders but when I could not get the Z-Motors to run I split them across two stepper drivers.
So I took out all the sections where I had two extruders set up (EXXX:XXX) and now is just Exxx, that seems to have fixed the extruder problem.
Now I just need to figure out why my layer cooling fans come on every time the machine is turned on. The come on at 100% and I have to Job Status screen to turn them off.
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@cdl1701yahoo-com said in Under powered stepper motors or something else?:
M106 P0 S1 I0 F500 H-1 ; Set fan 0 value, PWM signal inversion and frequency. Thermostatic control is turned off
M106 P2 S1 I0 F500 H1:2 T60 ; Set fan 1 value, PWM signal inversion and frequency. Thermostatic control is turned on
M106 P3 S1 I0 F500 H-1because you have told it to turn on at 100% with S1
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Man it has been way to long since I have had to edit a config, I am missing some of the most obvious stuff.. lol. Thanks for your help Veti!
