Thread: mach3 won't reset
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27-05-2019 #3
If the machine has been working for a while check the limit switch cables for damage
repeatedly being flexed in the same place will break the wires
very often near to the connectors connecting the limit switch to the cable
is your controller like this
web page gives details of wiring to the various connectors
https://www.probotix.com/wiki/index....reakout_Board:
if you are getting "limit switch triggered" before the machine moves
do you know if the limit switches are normally open or normally closed ?
un plug the limit swich cables and in mach3 change the limit switch setting
assuming the switches are normally closed so the BOB input is low until a switch opens
in mach3 ports and pins
change the limit switch pins from active high to active low ( or vice versa depending on your settings)
this will disable the limit switches so your control will not see a trigger from a faulty switch or cable
if your control now works you will need to check the limit switches and cables
if you still getting spurious triggers you may need to open the control box to check the 5V supply to the breakout board
John
PS
do you have a multimeter to do continuity tests and check various voltagesLast edited by john swift; 27-05-2019 at 11:32 PM. Reason: add PS
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