BLTouch doesnt pin down



  • BLTouch doesn't work after changing firmware from v3 to 2.05.1 (2020-02-09b1) (dunno why i had the 3. Bellow the config file:

    ; Endstops
    M574 X1 Y1 S1 ; set active low and disabled endstops
    M574 Z1 S2 ; set endstops controlled by probe

    ; Z-Probe
    M307 H3 A-1 C-1 D-1 ; disable heater on PWM channel for BLTouch
    ;M558 P9 C"^zprobe.in" H5 F100 T2000
    ;M950 S0 C"exp.heater3"
    ;M558 P9 H5 F100 T2000 I1 ; set Z probe type to bltouch and the dive
    M558 P5 H5 F500 T4000 X0 Y0 Z1 ; Set Z probe type/mode 5. H=Dive Height. F=Speed the
    G31 P50 X31 Y4 Z0.905 ; set Z probe trigger value, offset and trigger
    M557 X20:200 Y20:200 S40 ; define mesh grid

    Thank you



  • probably its a map error:
    M280 P0 S10
    Error: M280: Invalid servo index 0 in M280 command



  • I had to change my macros :S for M280 P3 S90 I1
    Had around this entire day :S


  • Moderator

    @johny said in BLTouch doesnt pin down:

    M558 P5 H5 F500 T4000 X0 Y0 Z1

    Use P9 instead of P5 and remove the X0 Y0 Z1

    Otherwise it sounds like you get it sorted?



  • Hello,
    I got it sorted with the following changes on config.g
    ; Z-Probe
    M307 H3 A-1 C-1 D-1 ; disable heater on PWM channel for BLTouch
    M558 P9 C"^zprobe.in" H5 F100 T2000
    M950 S0 C"exp.heater3"
    G31 P25 X31 Y4 Z0.905 ; set Z probe trigger value, offset and trigger height
    M557 X20:200 Y20:200 S40 ; define mesh grid

    Now i have a problem that i never got it solved, when i ask the heater tool 0 to heat up it never stops on the temperature needed, it keep increasing, what could be the problem? my config
    ; Heaters
    M307 H0 B0 S1.00 ; disable bang-bang mode for the bed heater and set PWM limit
    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


  • Moderator

    @johny said in BLTouch doesnt pin down:

    M558 P9 C"^zprobe.in" H5 F100 T2000
    M950 S0 C"exp.heater3"

    Are you using firmware 3 or 2?

    Send M115 to see what you actually have installed.



  • @Phaedrux said in BLTouch doesnt pin down:

    M115

    M115
    FIRMWARE_NAME: RepRapFirmware for Duet 2 WiFi/Ethernet FIRMWARE_VERSION: 2.05.1 ELECTRONICS: Duet WiFi 1.02 or later FIRMWARE_DATE: 2020-02-09b1



  • On the temperature, example:
    http://prntscr.com/rombcb

    I ask for 150º and it keeps going up without stop. He stops when it gets the error



  • My thermistor:
    100 k thermistor-atc semitec 104gt-2/104nt-4-r025h42g


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