3320 error code 14

   / 3320 error code 14 #1  

skier1

New member
Joined
Jul 24, 2011
Messages
8
Tractor
John Deere 3320
Been running my 3320. Over the last couple of days I have noticed when trying to back up I get error code 14. I shut off the machine start it back up and it clears up but it has gotten progressively worse. Having to shut it off and start it several times to get it to move backwards. Finally it has gotten so bad I can't seem to clear it at all! Looked up the code...not any info on fixing it other than calling the dealer which I try to fix my equipment myself. Sounds like it needs to be re-calibrated. Gonna order a tech manual tomorrow but don't want to wait for it to get here to find out how to fix. Anyone here willing to help me?
 
   / 3320 error code 14 #2  
I'm no mechanic, but here is what the manual says...

Err 14 Pump Current Coil resistance too high
(open) or too low (short).
Machine does not drive. Test the proportional valve coils.
Check 696 Blu and 697 Pur wires
and connections for short or open
circuit.
 
   / 3320 error code 14
  • Thread Starter
#3  
Thank you, will check the wires again. Does the manual explain how to "Test the proportional valve coils"? And where they are exactly?
 
   / 3320 error code 14 #4  
Sorry can't help much more than finding this note about a special tool.

Special or Required Tools
Tool Name Tool No. Tool Use
Break-out Box JDG1575 Test
Kit
Test the electrical
circuits of the
electronic drive
controller.

The drive solenoids are located under the floorboard of the pedals. You have to pull of the plastic cover to see them. That's all I can help you with. All else is beyond my knowledge.
 
   / 3320 error code 14
  • Thread Starter
#5  
Found the drive solenoids. Where do the blue and purple wires go? I need to know how to test the electrical circuits of the electronic drive controller.
 
   / 3320 error code 14 #6  
If there are any connectors I would start by cleaning and checking them. A flakey connector could cause the resistance to be too high.
 
   / 3320 error code 14 #7  
Found the drive solenoids. Where do the blue and purple wires go? I need to know how to test the electrical circuits of the electronic drive controller.

Back to the drive controller. As suggested, I would check the connections. Seems like it would have to be in the wiring.
 

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   / 3320 error code 14 #8  
I'd check the connections as other have suggested. Solenoids usually work or don't not intermitant. Check the coil resistance on both.

Matt
 
   / 3320 error code 14 #9  
Maybe, just a thought. Try flipping the 696 and 697 wires between the solenoids. This should reverse the operation of the pedals. If the problem now occurs when attempting to drive forward (by pressing reverse pedal) I would begin to suspect the reverse pedal proportional solenoid valve. If the problem continues to occur when backing up (by pressing the forward pedal) I would suspect the reverse pedal wiring or the controller itself.

Do this at your own risk.
 
   / 3320 error code 14
  • Thread Starter
#10  
I may be narrowing the search....I switched the plugs on the drive solenoids....Now the reverse pedal works fine making the machine go forward. Same problem when I try to go backwards by pushing the forward pedal. I get error 14. So it seems it must be in the wiring or the controller? Or is there a solenoid valve at the transmission.....a valve that opens and closes by pushing the drive pedals/(solenoids)??
 

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