Take it apart and clean it. This should solve your problem.
I run about 2000 lb every month thru it and had to do it once.
Grain gets between plate and rollers. Then free spinning rollers will stop to spin.
Thanks, I'll do that. I'm sure you're right.
That's exactly what I ended up doing, taking it apart and cleaning it. No issues since. I see you are running some fair amount of malt through yours. What size system are you milling for? I ask because we are trying to find a mill for our 7bbl system and are borrowing another brewery's mill. It's a good mill but we are hauling malt from our location to another and then back again. So we are looking for options and have looked into several different mills. I don't want to get too far off topic here and will leave it at that.
I am brewing on a 2 bbl system, single batches. It takes a while to mill the grain, but not as long as it takes to heat the mash water so it's not a problem for me.