BLTouch V3.0 Reassemble
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Well new problems creeping up. Pin will not retract at start of print but print starts regardless.
I'm going to try a fresh install of firmware and start that from scratch to ensure updating did not cause any issues. What is the best method for this?
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@jaurand Upload the firmware on the system tab of DWC and it should update automatically.
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@Phaedrux that is how i've been updating firmware before. My thought is something did not stick right causing my issues. Hence why delete it all and start from a fresh build is my thought
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Can you post your config.g, homeall.g, and your deployprobe.g and retractprobe.g files from the /sys folder?
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config.g
; Configuration file for Duet WiFi (firmware version 1.21)
; executed by the firmware on start-up
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; generated by RepRapFirmware Configuration Tool v2 on Sun Mar 17 2019 11:31:51 GMT-0400 (Eastern Daylight Time); General preferences
G90 ; Send absolute coordinates...
M83 ; ...but relative extruder moves
M575 P1 B38400 S1 ; Baudrate for Paneldue 38400
M667 S1 ; Select CoreXY mode; Network
M550 P"My Printer" ; Set machine name
M552 S1 ; Enable network
M586 P0 S1 ; Enable HTTP
M586 P1 S0 ; Disable FTP
M586 P2 S0 ; Disable Telnet; Drives
M569 P0 S1 ; X-Axis Drive 0 goes backwards
M569 P1 S1 ; Y-Axis Drive 1 goes backwards
M569 P2 S0 ; Z-Axis Drive 2 goes forwards
M569 P3 S0 ; Extruder Drive 3 goes backwards
M350 X16 Y16 Z16 E16 I1 ; Configure microstepping with interpolation
M92 X81 Y81 Z396 E415 ; Set steps per mm
M566 X600.00 Y600.00 Z100.00 E120.00 ; Set maximum instantaneous speed changes (mm/min)
M203 X6000.00 Y6000.00 Z180.00 E1200.00 ; Set maximum speeds (mm/min)
M201 X3000.00 Y3000.00 Z100.00 E250.00 ; Set accelerations (mm/s^2)
M906 X1430.00 Y1430.00 Z1430.00 E1440 I35 ; Set motor currents (mA) and motor idle factor in per cent
M84 S30 ; Set idle timeout; Axis Limits
M208 X0 Y0 Z0 S1 ; Set axis minima
M208 X330 Y330 Z415 S0 ; Set axis maxima; Endstops
M574 X1 Y1 S0 ; Set active low and disabled endstops
M574 Z1 S2 ; Define Z to use Probe. Home to Min
M558 P9 X0 Y0 Z1 H5 F100 T2000 ; Set Z probe type/mode 9. H=Dive Height. F=Speed the bed moves
G31 X0 Y0 Z3.467 P25 ; Z probe trigger value, offset in relation to nozzle. And trigger height adjustment;MeshGrid
M557 X50:300 Y50:300 S25 ; Define mesh grid; Heaters
M307 H7 A-1 C-1 D-1 ; Disable the 7th Heater to free up PWM channel 5
M305 P0 T100000 B4138 R4700 ; Set thermistor + ADC parameters for heater 0
M143 H0 S120 ; Set temperature limit for heater 0 to 120C
M305 P1 T100000 B4138 R4700 ; Set thermistor + ADC parameters for heater 1
M143 H1 S280 ; Set temperature limit for heater 1 to 280C
M307 H1 A306.6 C114.2 D3.6 V23.8 S1 B0
M570 H1 P10 T15 S15 ; Configure heater fault detection (H# heater number, P time in seconds for anomaly to persist, T temp
excursion setpoint, S time in mins before print cancelled); Fans
M106 P0 S0.3 I0 F500 H-1 ; Set fan 0 value, PWM signal inversion and frequency. Thermostatic control is turned off
M106 P1 S1 I0 F500 H1 T45 ; Set fan 1 value, PWM signal inversion and frequency. Thermostatic control is turned on; 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; Automatic power saving
M911 S21 R23 P"M913 X0 Y0 G91 M83 G1 Z3 E-5 F1000" ; Set voltage thresholds and actions to run on power loss; Custom settings are not configured
; Miscellaneous
M501 ; Load saved parameters from non-volatile memoryhomeall.g
; homeall.g
; called to home all axes
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; generated by RepRapFirmware Configuration Tool v2 on Sun Mar 17 2019 11:31:51 GMT-0400 (Eastern Daylight Time)G91 ; relative positioning
M280 P7 S160 I1 ; Alarm Release and Pin Up
G1 Z5 F6000 S2 ; lift Z relative to current position
G1 S1 X-335 Y-335 F1800 ; move quickly to X or Y endstop and stop there (first pass)
G1 S1 X-335 ; home X axis
G1 S1 Y-335 ; home Y axis
G1 X5 Y5 F6000 ; go back a few mm
G1 S1 X-335 F360 ; move slowly to X axis endstop once more (second pass)
G1 S1 Y-335 ; then move slowly to Y axis endstop
G90 ; absolute positioning
G1 X171 Y112 F6000 ; go to first bed probe point and home Z
G30 ; home Z by probing the bed; Uncomment the following lines to lift Z after probing
;G91 ; relative positioning
;G1 S2 Z5 F100 ; lift Z relative to current position
;G90 ; absolute positioningDeployprobe.g
M280 P7 S10 I1Retractprobe.g
M280 P7 S90 I1 -
@jaurand said in BLTouch V3.0 Reassemble:
M558 P9 X0 Y0 Z1 H5 F100 T2000
Remove the X0 Y0 Z1 from this command. Those parameters are no longer used.
G31 X0 Y0 Z3.467 P25
You're missing the X and Y offset between the nozzle and the BLTouch.
Neither of those should be show stoppers however.
All I can suggest at this point if you're 100% confident that your wiring is good, is to try switching to heater pin 3 of the expansion header instead of using heater pin 7.
You'll need to change the heater unbinding to reflect H3 instead of H7
M307 H7 A-1 C-1 D-1 ; Disable the 7th Heater to free up PWM channel 5
And check config-override.g to remove any entry for H3.
As well as change the servo commands to target P3 instead of P7.
Deployprobe.g
M280 P7 S10 I1Retractprobe.g
M280 P7 S90 I1 -
@Phaedrux I don't have config-overide.g is that a problem?
When I switched to H3 I get no response
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Here is what is in my sys folder
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@jaurand said in BLTouch V3.0 Reassemble:
; Miscellaneous
M501 ; Load saved parameters from non-volatile memoryI assumed you had a config-override.g since you have an M501 in your config.g to load it. It's fine if you don't have it thought. It just means you haven't used M500 to save any PID tuning values.
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@Phaedrux ah yes since I typed my values directly in.
So since H3 doesn't work is that a bigger problem?
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I'm still inclined to think it's a wiring issue.
Can you make up a brand new very short wiring harness to test with?
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@jaurand said in BLTouch V3.0 Reassemble:
I have had many instances lately of the push pin breaking off many times as well as unresponsiveness from the BLTouch itself.
It could also be a bad probe. Perhaps time to get another to try?
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@Phaedrux well I do have three BLTouch, two V3 and one version 2. I'll try some wiring and see what I get.
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can you post a picture of the wiring on the duet?
in the first post you showed heater pin 7
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@Veti the first post was what started off using. For troubleshooting purpose Phaedrux recommended using heater 3 to test.
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@Phaedrux turns out I have two bad BLTouch V3.0. Wired V2.0 up to heater pin 3 and new wires and it started the self test at start up. Attached V3.0 to the new wires on heater 3 and nothing, but it did turn on. Put on the old wires and V2.0 works just fine and again V3.0 nothing. Too bad they only have a 30 day warranty on them.....
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i have moved away from the bltouch and use this https://www.thingiverse.com/thing:3303618 now.
really happy with it and its working consistently (no dropped pins while printing) -
@Veti said in BLTouch V3.0 Reassemble:
I have moved away from the bltouch…
Looking at the high percentage of bltouch threads in this forum, I just wanna confirm @Veti’s statement: Z-probe designs like his one or this here are really good for happiness. Following the inherent principle, I built a similar probe and never had any trouble since then. If you know how to attach a cheap servo to the Duet, there’s definitely no need to increase the number of such threads towards infinity
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@infiniteloop I agree. Bltouch sounds great on paper but the headache they are to put together and just to get working correctly doesn't justify in my opinion. My second printer I'll be looking at doing something different than BLTouch and will look at this design.
