XR40646 Engine Shutdown Mode

   / XR40646 Engine Shutdown Mode #1  

JBob

Bronze Member
Joined
Apr 24, 2008
Messages
62
Got on the tractor to move some brush. Ran fine for 15-20minutes. Engine shutdown mode starting flashing. There is no throttle response. Runs just above idle. It had complete a regen just a couple engine hours before. Manual says to call dealership. Anyone had experience with this issue?
 
   / XR40646 Engine Shutdown Mode #2  
Hi JBob,
I have had the red light come on once but it was on WITH the regen lights. No throttle response either. I just let it run and shortly after the red light went out. When it did I ran the throttle up to 2600. All went back to normal went regen completed. Never had the red light on by itself. Call your dealer and ask him what to do. If it runs at idle I'd move the tractor to a spot to make it easy to winch load on a trailer in case it shuts down completely.
Knock on wood, mine is almost 5 years old and never been back to dealer. Hope it stays that way. I always run good quality fuel and keep the RPM at 2200 or higher when running. I also drepress and hold the regen inhibit function for a few seconds till the inhibit light comes on when getting ready to put the tractor away so it doesn't go into regen when I park it. I got in that habit because it always seemed to start a regen cycle when I was ready to park it.
 
   / XR40646 Engine Shutdown Mode
  • Thread Starter
#3  
I let it run a while hoping regen would kick in. It never did.
 
   / XR40646 Engine Shutdown Mode #4  
What is “engine shutdown mode”?
Which light was flashing? Any codes?
What you are describing sounds like the water separator needs to be drained. When it detects water in the separator, the engine will only run from idle up to about 1400 RPM. There should be a code with it though.
 
   / XR40646 Engine Shutdown Mode
  • Thread Starter
#5  
What is “engine shutdown mode”?
Which light was flashing? Any codes?
What you are describing sounds like the water separator needs to be drained. When it detects water in the separator, the engine will only run from idle up to about 1400 RPM. There should be a code with it though.

I spoke to my dealer and he too ask for the code. I went to start the tractor and now it won't start. Everything acts like it should, glow plugs and battery light act as they should. Battery is fully charged. All fuses are good. Verified that. It will not crank. One thing I did notice is it isn't beeping due to parking brake off. It's like one of the safety switches has gone bad now and isn't letting it start.
 
   / XR40646 Engine Shutdown Mode #6  
Probably the seat switch, they are notorious for going bad. I had trouble with the one in my XR3135, would do the same thing. No start, and I had to bounce up and down on the seat to get it to start. Then if I would lean forward to get a better look down by the front end, the tractor would die. It never threw a shut down warning though. Dealer put a new one in but it wasn't much better. I wound up unhooking it and jumping across the connection, taking it out of the system. Dealer told me if I ever had to take the tractor back for Warrantee work, please plug it back in.

George
 
   / XR40646 Engine Shutdown Mode
  • Thread Starter
#7  
I actually have the seat switch crossed over now. I plan on checking my wiring.
 
   / XR40646 Engine Shutdown Mode #8  
I actually have the seat switch crossed over now. I plan on checking my wiring.

Under tractor by the pedals is small switch.i can remember exact where buy if it's not adjusted right the machine won't start.it thinks pedal is Being pushed.let us know what you find
 
   / XR40646 Engine Shutdown Mode
  • Thread Starter
#9  


Under tractor by the pedals is small switch.i can remember exact where buy if it's not adjusted right the machine won't start.it thinks pedal is Being pushed.let us know what you find

I tested the switch and it's working properly. I went ahead and bypassed it just to test it. Still won't crank. So far I've eliminated the seat switch, hydro pedal switch, and PTO. It truly acts like a safety switch has it locked out, especially with no parking brake beep occurring once key is turned on. Am I missing one?
 
   / XR40646 Engine Shutdown Mode #10  
Also check the ignition key switch. My 4046H has acted up - all air heater etc. came on but when turned to start cranking it would not always crank. No problem with starter, battery etc. I did not replace ignition key switch yet but it is suspect.
 
   / XR40646 Engine Shutdown Mode #11  
check every ground you can find on the tractor....
 
   / XR40646 Engine Shutdown Mode
  • Thread Starter
#12  
check every ground you can find on the tractor....

I checked the grounds around the battery. I never considered any others. Very good idea.
 
   / XR40646 Engine Shutdown Mode #13  
I checked the grounds around the battery. I never considered any others. Very good idea.

my standard go to for any electrical problem has always been A- fuse B- grounds C- switch D -short.

now I do realize that this could be in the 'regen' part of the computer and may not be electrical at all. Hope you find it and it turns out it's an easy fix
 
   / XR40646 Engine Shutdown Mode #14  
my standard go to for any electrical problem has always been A- fuse B- grounds C- switch D -short.

now I do realize that this could be in the 'regen' part of the computer and may not be electrical at all. Hope you find it and it turns out it's an easy fix

What did you find with the no start
 
   / XR40646 Engine Shutdown Mode
  • Thread Starter
#16  
What did you find with the no start

Still trying to solve the issue. I haven't had much time to investigate. I did browse around to find additional grounding spots but really didn't find anything.
 
   / XR40646 Engine Shutdown Mode
  • Thread Starter
#17  
Minor update on issue. I finally broke down and took the tractor to my dealer. He jumped on it right away while it was still on the trailer. Diagnostic software said drive system was preventing it from starting. It didn't make any sense to him at the time. He worked around for an hour but had no success. I ended up leaving tractor at dealer.
 
   / XR40646 Engine Shutdown Mode #20  
My tractor is a hydrostatic. Would this still apply?

It should not matter. My XR3037HC is hydro and I never put the L/M/H selector in neutral. I can start mine with or W/O sitting in the seat. There may be a switch on the hydro F/R pedals (but haven't looked). Parking brake also does not have to be on to start but will beep if you get off the seat without applying the brake. I've never tried to start mine with the electronic PTO engaged but that may have an interlock switch.

I guess if I ever had a no start situation I'd have to look through the service manual eleictrical circuits to see what switches could be preventing start. So far most of the replies are a guess like mine. Now that its at the dealer I'm sure he'll get it figured out.
 

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