Homing problems

guys i am here again needing some help. Today i added a microswitch for x homing on rpp mendel. At the beggining i couldn't home x at all . But after i added these two lines in my config x axis can home but Homeall button and Z homing ( rpp ir ) cant work . The homeall doesnt respond at all and the nozlle keeps pushing the table down untill i switch it of.

I cant find my fault so please advice.

this is my config

M111 S0 ; Debug off
M550 PPavlos ; Machine name (can be anything you like). With DHCP enabled connect to (example) [reprappromendel3] (machine name with no spaces).
M551 P1 ; Machine password (currently not used)
M540 P0xBE:0xEF:0xDE:0xAD:0xFE:0x14 ; MAC Address
;M552 P0.0.0.0 ; Un-comment for DHCP
M552 P192.168.8.17 ; IP address, comment for DHCP
M553 P255.255.255.0 ; Netmask
M554 P192.168.8.15 ; Gateway, comment for DHCP
M555 P2 ; Set output to look like Marlin
G21 ; Work in millimetres
G90 ; Send absolute corrdinates...
M83 ; ...but relative extruder moves
M906 X900 Y900 Z500 E600 ; Set motor currents (mA)
M305 P0 T9580 R4700 ; Set the heated bed thermistor series resistor to 4K7
M305 P1 R4700 ; Set the hot end thermistor series resistor to 4K7
M569 P0 S1 ; Reverse the X motor
M569 P3 S0 ; Reverse the extruder motor (T0)
M92 E619 ; Set extruder steps per mm
M558 P2 X0 Y0 Z1 ; Use a modulated Z probe
M574 X1 Y1 Z1 S1
G31 Z1.02 P572 ; Set the probe height and threshold (deliberately too high to avoid bed crashes on initial setup)
M556 S70 X0 Y0 Z1 ; Put your axis compensation here
M208 X240 Y185 Z137
M201 X350 Y500 Z15 E500 ; Accelerations (mm/s^2)
M203 X2500 Y4000 Z100 E3600 ; Maximum speeds (mm/min)
M566 X200 Y200 Z30 E20 ; Minimum speeds mm/minute
M563 P0 D0 H1 ; Define tool 0
G10 P0 S-273 R-273 ; Set tool 0 operating and standby temperatures
M143 S275

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Delta Printer
Duet 0.8.5 firmware 1.19

Assuming you are still using the IR sensor for Z homing, the M574 command needs to be M574 X1 Y1 Z0 S1 (you currently have Z1, which tells the firmware that you have a low-end Z homing switch).

There is a configuration tool (currently in beta) at [configurator.reprapfirmware.org] that may help you to get the right config.g and homing file settings in future.

Edited 1 time(s). Last edit at 08/26/2016 04:48AM by dc42.

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Large delta printer [miscsolutions.wordpress.com], E3D tool changer, Robotdigg SCARA printer, Crane Quad and Ormerod

Disclosure: I design Duet electronics and work on RepRapFirmware, [duet3d.com].

Thanks David . Any idea why the G28 command doesnt move the printer ?

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Delta Printer
Duet 0.8.5 firmware 1.19

Do you have the homex.g, homey.g, homez.g and homeall.g files on your sys folder on the SD card? Otherwise, I doubt G28 will do anything if those are not available.

If G28 with no parameters does nothing, it probably means the homeall.g file is missing, empty or unreadable.

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Large delta printer [miscsolutions.wordpress.com], E3D tool changer, Robotdigg SCARA printer, Crane Quad and Ormerod

Disclosure: I design Duet electronics and work on RepRapFirmware, [duet3d.com].

the homeall.g is where it should be ( sys folder ) and as far as i can tell it seems ok as a file . i will do a restart to the printer after this print will end and i ll come back .

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Delta Printer
Duet 0.8.5 firmware 1.19