Depends on what version of CM board you have — there might be a need to cut a pin, cutting the wrong one could render the board useless.
I believe it is always possible to recover from a problem when reflashing — just might require the use of a second Arduino as a serial programmer to reload the bootloader — the folks at support@carbide3d.com who handle reflashing will be able to guide you through this if you need to reflash.
Is it easy to change the limit switches, are they soldered?
I still think it might be a faulty limit switch?
Are there any instructions on how to change them?
They are soldered onto wiring extensions which connect at the controller using Molex KK connectors — contact us at support@carbide3d.com and let us know the specifics and we’ll work out getting some to you.
Hi Will, I’ve sent a few emails over to carbide support, nick replied but I’m still struggling to diagnose the fault.
Thanks
Tim
I’ve got my machine half working again. What I did was manually pushed the the spindle cradle to the far left and the z axis down further than I had but also moved the table.
It allowed me to jog but I must have x and y wires in the wrong slots as it’s back to front when i try to jog apart from z (up, down). So I will swap the wires on round on Saturday.
I am now getting an machine invalid parameters error but I assume that’s because it’s working back to front after I fitted the new card?
I mentioned this above in response to you suggesting the “wasteboard” is X. It is Y, not X.
Thanks Gerry, this is the first time I’ve had any movement from the table, for 2 weeks.
It looks like all motors and limit switches are fine.
I’m assuming I’ve got the wires mixed up. I will know more on saturday when I take the back cover off again.
Thank you all for your continued support.
Note that if you want/need to do a quick test without messing with the wiring just yet, you can modify GRBL’s $3 parameters to invert the direction of any individual axis, as per this table of values (from the GRBL doc):
| Setting Value | Mask | Invert X | Invert Y | Invert Z |
|---|---|---|---|---|
| 0 | 00000000 | N | N | N |
| 1 | 00000001 | Y | N | N |
| 2 | 00000010 | N | Y | N |
| 3 | 00000011 | Y | Y | N |
| 4 | 00000100 | N | N | Y |
| 5 | 00000101 | Y | N | Y |
| 6 | 00000110 | N | Y | Y |
| 7 | 00000111 | Y | Y | Y |
Depending on whatever value you currently have set, you should be able to figure out from the table a new value for inverting just X, or just Y, or both.
Just send $3=[selectedvalue] from the MDI tab
Hi Julien thanks for this
What would be the specific code to centre/zero everything? Or check what’s happening now?
I took photos of the wires before removing the old board, and the cable lengths I believe are/maybe in the right ports, as I didn’t snip any cable ties.
Open the log window from CM settings page, send $$ from the MDI tab, it will print out the current value of all $ params. From there you can determine how to alter the value to change just the direction of any axis you want, based on the table above
This is what happening now. Just getting the log
the log file
Test Waiting…
<Idle,MPos:-8.000,-5.000,-5.000,WPos:-8.000,-5.000,-5.000,Buf:0,RX:0,Ln:0,F:0.>
gc_not_motion
___________$# ___________
[G54:0.000,0.000,0.000]
[G55:0.000,0.000,0.000]
[G56:0.000,0.000,0.000]
[G57:0.000,0.000,0.000]
[G58:553.000,883.000,-108.815]
[G59:124.385,-108.075,-128.470]
[G28:0.000,0.000,0.000]
[G30:0.000,0.000,0.000]
[G92:0.000,0.000,0.000]
[TLO:0.000]
[PRB:-2.500,-5.000,-76.815:1]
ok
gc_dwell
___________N0 G4P0.05 ___________
gc_get_offsets
___________$# ___________
[G54:0.000,0.000,0.000]
[G55:0.000,0.000,0.000]
[G56:0.000,0.000,0.000]
[G57:0.000,0.000,0.000]
[G58:553.000,883.000,-108.815]
[G59:124.385,-108.075,-128.470]
[G28:0.000,0.000,0.000]
[G30:0.000,0.000,0.000]
[G92:0.000,0.000,0.000]
[TLO:0.000]
[PRB:-2.500,-5.000,-76.815:1]
ok
gc_parser_state
___________$G ___________
<Idle,MPos:-8.000,-5.000,-5.000,WPos:-8.000,-5.000,-5.000,Buf:0,RX:0,Ln:0,F:0.>
[G0 G54 G17 G21 G90 G94 M0 M5 M9 T0 F200. S0.]
ok
<Idle,MPos:-8.000,-5.000,-5.000,WPos:-8.000,-5.000,-5.000,Buf:0,RX:0,Ln:0,F:0.>
I’ve solved it! I pushed everything off the limit switches, put the old board back in after cleaning everything and now it seems to be working. Currently running a job (a stern piece for the boat).
Thanks to all who replied to my fourm messages and carbide support.
Tim
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