| Symptom | Problem | Solution |
Machine Will Not Move When Four Wheel Drive Is Engaged. | One or both rear wheels in spin-out condition. | Increase hydrostatic pump flow by moving multifunction control handle forward. |
| | Bad electrical control switch on console. | See your John Deere dealer |
| | Bad solenoid valve on control valve. | See your John Deere dealer. |
| | Spool will not move in control valve. | See your John Deere dealer. |