and made sure all other parameters were correct.

But how do you know that the other parameters were correct? What parameters would those be?

I'd like to see the criteria that allows the computer to run this but I'm betting there are a lot of parameters that must be in range or "true" before this algorithm kicks off.

 

Copy and pasted directly from the manual. I read it probably 20 times thinking I must be missing something. There is no command for zero ground speed that I know of. I assume it just means you must be stopped.

Before a parked exhaust filter cleaning can be completed, the following criteria must be met:

Set engine rpm at low idle.
Coolant temperature must be above 60 deg°C (140°F).
Transmission must be in neutral.
Zero ground speed commanded.
Park brake must be engaged.
PTO must be turned off.

 

I'm not sure if this will help you but OFTEN I will be at a complete stop on my 3520 however the cluster will show my speed at .1 mph. Is it possible the computer "thinks" there is some ground speed taking place? I have shifted mine into neutral and the .1mph will still be displayed. If I tap the hydrostat pedals it will go to 0

 

I would not worry about it. Just let it do it's thing when it is ready. I have 374 hours on my 4066R and never even bother to check soot level. It just works. JD really has done a good job on the Tier IV emissions, except for the 1025R.

Dave

 

I thought as long as you are working the engine hard enough it wouldn't need to do a parked regen. If the unit doesn't see enough use/heat too burn off the DPF a parked regen is initiated. So if you need to work your tractor work it.
Right or wrong?

 

From what I have gathered with all the reading I have done on GTT regarding the regen, working the tractor harder will keep soot levels from increasing as quickly as you would from operating at low rpm's. The tractor will take care of the regen when needed with no noticeable decrease in ability to continue with the work your doing at time. I've read several that say a parked regen is not necessary and the majority who have initiated a park regen done so simply just to do it and see what it's about with their new machine. I see the concern from the op, my tractor is part of my income and like the op said, the busy time is approaching fast. The fact his tractor is not allowing him to complete a park regen and hasn't completed a regen while operating would concern me as well that the machine will go down right when it's needed most. Another concern I would have is a good portion of dealers around the country is already or soon will be slammed with work needing done by the large ag farmers and although some may want to deny it, from what I have seen the little guys don't take priority with our equipment needs when the dealers higher dollar customers are needing services completed. Often the little guy is put on the back burner or isn't given the attention he is needing at the time. I am sure there is a simple solution to why he isn't being able to complete the regen but I wouldn't want to drag my feet in finding it or playing the game "let's wait and see what happens". I would do the same if I was a dealer without doubt so looking at that from a very small scale side of the equation, I would want to make sure my tractor is good to go asap.

 

I had a regen on my tractor when i was plowing at 20 degrees just a few weeks ago.. what happen the tractor felt slow. I looked at the dash and the regen light was on.
It stop plowing , put the tractor in park and neutral and went in side for 20 minuets until it was done.
It happens when ever the tractor wants to I guess. :laugh:

 

I'll have time to mess with it again this evening. I'm going to check the ground speed and make sure it isn't saying .1. That is the only thing I can't say for sure that I looked at because I obviously wasn't moving.

I am a preventative maintenance freak so this just bugs the crap out of me. To just leave it alone is very difficult for me. Besides it can't hurt anything to do a parked Regen every once in while.

Big thanks to all the help thus far!

 

I am a preventative maintenance freak !

:thumbup1gif: right there with you

 

On my 4066R there is a requirement that a certain number of hours must pass from the previous regen before you can initiate a regen. Sounds like that is your problem.

And, BTW, my tractor seems to stay at 76 % soot for several operating hours before the auto regen begins. Usually this happens when I am putting it up at the end of day, lol.

 

Deereboots is correct. You can not just do a park regen when you want. At 76%.. It will regen soon. If you are worried, take it to dealer now before it gets busy.

Sent from my LGL52VL using Tapatalk

 

I had no idea it wouldn't let you based off hours. I'll just about that is the issue or non issue I suppose. Man I love this forum!

Thanks everybody