I can't get the Bltouch working

Phaedrux

If you are using fimrware version 1.21 you can remove the M98 commands to manually deploy and retract the probe, the g30 command will do it automatically.

Saltypetz

I did that and xand y sitll home and the Z-Probe flashs red probe going in and out then crash into the borad.
We are getting close.
Right now Head Position reads X 100 Y 60 Z 15
But then it say. The following axis is not homed z

Thank so much for the help you have been great

Phaedrux

What happens when you send the deploy and retract servo commands? Does it respond correctly?

Can you post your current G31 and M558 commands from config.g?

Saltypetz

Here is the whole fill. I hope this helps you I want to get this thing running. I love it but it is real hard compared to
Arduino. I'm sure when I get used to this I won't want the Arduino boards. If I do this it deploys the probe.
M280 P3 S10 I1. I was just reading something and it says you have to make a heater tool for it is this true. If so I never made a tool for the BLTouch.

; Configuration file for Duet WiFi (firmware version 1.20 or newer)
; executed by the firmware on start-up
;
; generated by RepRapFirmware Configuration Tool on Fri May 04 2018 09:52:39 GMT-0400 (Eastern Daylight Time)

; General preferences
G90 ; Send absolute coordinates...
M83 ; ...but relative extruder moves

; Network
M550 TEVO BLACK WIDOW ; Set machine name
M552 S1 ; Enable network
;*** Access point is configured manually via M587
M586 P0 S1 ; Enable HTTP
M586 P1 S0 ; Disable FTP
M586 P2 S0 ; Disable Telnet

; Drives
M569 P0 S1 ; Drive 0 goes forwards
M569 P1 S0 ; Drive 1 goes forwards
M569 P2 S1 ; Drive 2 goes backwards
M569 P3 S1 ; Drive 3 goes forwards
M569 P4 S1 ; Drive 4 goes forwards
M350 X16 Y16 Z16 E16:16 I1 ; Configure microstepping with interpolation
M92 X80 Y80 Z4000 E420:420 ; Set steps per mm
M566 X900 Y900 Z12 E120:120 ; Set maximum instantaneous speed changes (mm/min)
M203 X6000 Y6000 Z180 E1200:1200 ; Set maximum speeds (mm/min)
M201 X500 Y20 Z250 E250:250 ; Set accelerations (mm/s^2)
M906 X800 Y800 Z800 E800:800 I30 ; 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 X580 Y250 Z400 S0 ; Set axis maxima

; Endstops
M574 X1 Y1 S1 ; Set active high endstops

; Z-Probe
M558 P9 X0 Y0 Z1 H5 F100 T2000
G31 X0 Y0 Z0 P25
;Bltouch
M307 H3 A-1 C-1 D-1 : Define Bltouch Heater3

; Heaters
M305 P0 T100000 B4138 C0 R4700 ; Set thermistor + ADC parameters for heater 0
M143 H0 S120 ; Set temperature limit for heater 0 to 120C
M305 P1 X150 T"K" ; Set thermistor + ADC parameters for heater 0
M143 H1 S370 ; Set temperature limit for heater 1 to 370C
M305 P2 X151 T"K" ; Set thermistor + ADC parameters for heater 1
M143 H2 S370 ; Set temperature limit for heater 2 to 370C

; 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 H1:2 T45 ; Set fan 1 value, PWM signal inversion and frequency. Thermostatic control is turned on
M106 P2 S1 I0 F500 H1:2 T45 ; Set fan 2 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 P1 R0 S0 ; Set initial tool 0 active and standby temperatures to 0C
M563 P1 D1 H2 ; Define tool 1
G10 P2 X0 Y0 Z0 ; Set tool 1 axis offsets
G10 P2 R0 S0 ; Set initial tool 1 active and standby temperatures to 0C

M564 H0 ; Allow movement of axes before homing

; Automatic saving after power loss is not enabled

; Custom settings are not configured

Thank you,

Phaedrux

The BLTouch uses the heater pins only, but you don't need to define a tool for it.

Can you post a video showing what happens when you try doing Home All?

From your config it looks like you are missing a calibrated trigger height in your G31 command. You need to tell the system how far the nozzle is from the bed when the BLTouch triggers. You can follow this guide to find your trigger height. This is based on me assuming that the probe is actually triggering for you.

https://betrue3d.dk/bltouch-on-duet-wifi-configuratio-and-usage/#findzoffset

Saltypetz

Here is a short video. It will not give a url.

Thank you so much for the help one day maybe I can help some else.

![alt text](<iframe src="https://player.vimeo.com/video/268481643" width="640" height="360" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe> <p><a href="https://vimeo.com/268481643">20180507_160625</a> from <a href="https://vimeo.com/user84814902">rick west</a> on <a href="https://vimeo.com">Vimeo</a>.</p>)

Phaedrux

In your homeall.g above it looks like you have a negative X coordinate for the move to position the probe.

G1 X-43.565 Y26 F6000 ; go to first bed probe point and home Z
G30 ; home Z by probing the bed

Should that not be a positive X coordinate?

Try this for a homeall.g


; homeall.g
;
G91 ; relative positioning
G1 Z5 F3000 S2 ; lift Z relative to current position
G1 S1 X-585 Y-255 F1800 ; move quickly to X and Y axis endstops and stop there (first pass)
G1 X5 Y5 F3000 ; go back a few mm
G1 S1 X-585 Y-255 F360 ; move slowly to X and Y axis endstops once more (second pass)
G90 ; absolute positioning
G1 X100 Y100 F3000 ; go to first bed probe point and home Z
G30 ; home Z by probing the bed
G1 X0 Y0 F3000 ; return to origin
;

You also have the Axis maxima set as X580, is that correct?

Saltypetz

I just put your homeall.g and it still does the same as the video. homes X and Y, Z start but the pin goes in and out without stopping and stops before hitting the bed.
This thing is driving me crazy.

Phaedrux

Does it start flashing before it even gets to the probe point like in the video? That shouldn't happen.

Your files should match the following.

; deployprobe.g
; 
Probe deployment routine for BLTouch
;
M280 P3 S10 I1		; Set servo position to deploy

; retractprobe.g
;
; Probe retraction routine for BLTouch
;
M280 P3 S90 I1

What about that -x coordinate?

Saltypetz

Thanks for the help

Phaedrux

Sorry, but I'm kind of out of ideas at this point anyway.

All I can say is go back to the beginning. Double check wiring. Follow those guides.

Saltypetz

It weird that the probe is the only problem

Phaedrux

Do you have a mechanical end stop to use in the meantime?

It's possible that your bltouch is damaged.

You could try cleaning the pin. There's a set screw on the top to remove and adjust the pin.

Saltypetz

I have a different BLTouch I can try. How do I add a mechanical end stop to Z. I don't know how in the firmware.

Thank you

Saltypetz

I have the BLTouch on the machine just unplugged I will let you know how it goes. Do I just go back to https://configurator.reprapfirmware.org and redo the whole thing. or is there a quick fix.

Phaedrux

No you don't need to redo the configurator. You should be able to just plug the new bltouch in and see if it does the same thing.

Saltypetz

I did that it does the same thing X and Y home and with the new probe does the same thing as the video.

Phaedrux

@saltypetz said in I can't get the Bltouch working:

G31 X0 Y0 Z0 P25

Try changing this to G31 X0 Y0 Z0 P500

Scachi

@saltypetz said in I can't get the Bltouch working:

I did that it does the same thing X and Y home and with the new probe does the same thing as the video.

The probe of the BLtouch shouldn't do the dance move (in&out) all the time.
If this still happens with your new BLtouch you really should check the wiring and configuration again.

The probe should move two times out&in when the printer is powered up, then it should stay rectracted (in).
If your BLtouch does this fine the next thing to check if you can manually deploy and retract the probe with the commands:
for Deploy: M280 P3 S10 I1
for Retract: M280 P3 S90 I1

My BLTouch Z-Probe is always shown in the webinterface with a value of "0", but it works fine for me. As it is mentioned in the guides, the value may change so fast when probing that it just isn't displayed when it is triggered.

Is this is all working for you to this point ? This has to work before trying to probe the bed makes sense.

Saltypetz

Now for some reason I can't get in the wifi web page I have tried everything. Pronnterface work with the plug in and YAT. The Wifi light on the wifi board is on without turning off solid blue. I can turn it off with YAT and back on then solid again. I can't get in the Duet page with the wire pluged in.