mach 3/boss 5 spindle shuts off by itself, will only run a few seconds
I I was having trouble getting the spindle on my machine to run and as recommended pulled the fuse behind # 14 optoisolator. spindle ran fine without the fuse in. I replaced the opto on #14 and now am able to run the spindle for just about 15 seconds or so and then it automatically shuts off. On MDI, m3 calls for spindle start, I manually start the spindle and mach runs the delay macro, then the spindle shuts down shortly thereafter. anyone know what might be wrong? there is no load on the spindle and the brake is off- it spins freely by hand so I suppose mach is turning it off, but I'm new to mach and not sure what I'm doing...
any ideas?
tom
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