A parked regen can only be done if the system requires it. I retired 6 1/2 yrs ago and can not remember what light would come on to tell you to do a regen. If it needs regen and cannot do it on it's own, it is supposed to tell you via a warning light. If it needs a regen and does not get it, it will/should go into limp mode/idle only mode. Your owners manual should explain this. I was truck tech and this system came along just a few yrs before I retired, so I did not get a lifetime of experience on this system, and may forget a few details, and have not worked around any 'newer' stuff since. No offense intended, but you may need another JD. tech to diagnose this, not everyone completely understands everything about these systems. You really need to know the science behind how they are intended to work, especially when they have re occurring problems. With the diagnostic laptop, a tech can do a forced regen anytime. We did this a lot of times to verify the filter was clean. A system that has DEF in addition to a DPF, usually had less trouble needing regens, but more trouble with the DEF side of the system. Good luck, Mark.
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Today's Featured Article - Listening to Your Tractor - by Curtis Von Fange. Years ago there was a TV show about a talking car. Unless you are from another planet, physically or otherwise, I don’t think our internal combustion buddies will talk and tell us their problems. But, on the other hand, there is a secret language that our mechanical companions readily do speak. It is an interesting form of communication that involves all the senses of the listener. In this series we are going to investigate and learn the basic rudimentary skills of understanding this lingo.
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