A.1.63

Fendt A.1.63 – Auto-Guide: Steering Wheel Moved During Calibration

Issue description

This fault code is triggered when the steering wheel is manually moved or disturbed while the tractor is actively performing the automated calibration routine for the Auto-Guide steering valve. The system detects this manual input, which interrupts and invalidates the calibration process.

Applies to these machines

  • 411 Vario COM III
  • 412 Vario COM III
  • 413 Vario COM III
  • 414 Vario COM III
  • 415 Vario COM III
  • 712 Vario COM III
  • 714 Vario COM III
  • 716 Vario COM III
  • 718 Vario COM III
  • 818 Vario COM III
  • 820 Vario COM III
  • Fendt 300 Vario (COM III)
  • Fendt 400 Vario (COM III)
  • Fendt 700 Vario (COM III)
  • Fendt 800 Vario (COM III)
  • Fendt 900 Vario (COM III)

Check the cause

  1. Verify Operator Action: Confirm that the operator or technician did not touch, lean on, or bump the steering wheel during the calibration process.

  2. Check Wheel Freedom: Ensure the front wheels have complete sideways freedom of movement and are not bound by deep ruts, heavy mud, or obstacles that might force feedback into the steering column during the automated sweep.

Repair steps

  1. Clear fault code

    Acknowledge and clear the active A.1.63 fault code from the tractor's terminal.

  2. Initiate calibration

    Initiate the Auto-Guide steering valve calibration process again (Fendt calibration code 2403 is often used to access this routine).

  3. Keep hands off steering wheel

    Keep your hands completely off the steering wheel for the entire duration of the calibration.

  4. Complete calibration

    Allow the system to finish the routine until a Successful calibration (OK) message is indicated on the display.

Parts you might need

(2)
  • Auto-Guide Steering Valve Block (Y087)

    G835400130020

    Inspect if calibration repeatedly fails without human interference. Part number depends on exact chassis.

  • Steering Unit

    G835400090050

    Inspect if calibration repeatedly fails without human interference. Part number depends on exact chassis.

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