Fendt 3.1.04 – A004 Control Console: Internal RAM, EEPROM faults

Critical internal hardware or memory failure within the console's circuitry. When triggered, the system automatically switches off the button panel/keypad, digital and analogue inputs, and LED actuation.

• 409 Vario
• 410 Vario
• 411 Vario
• 412 Vario
• 711 Vario
• 712 Vario
• 714 Vario
• 715 Vario
• 716 Vario
• 717 Vario
• 718 Vario
• 916 Vario
• 920 Vario
• 924 Vario
• 926 Vario
• 930 Vario
• 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 Farmer 400 Vario (409, 410, 411, 412)
• Fendt Favorit 700 Vario (711, 712, 714, 715, 716, 717)
• Fendt Favorit 900 Vario (916, 920, 924, 926, 930)
• Fendt 300 Vario Series (including COM III)
• Fendt 400 Vario Series (including COM III)
• Fendt 700 Vario Series (including COM III)
• Fendt 800 Vario Series (including COM III)
• Fendt 900 Vario Series (including COM III)

1. 1

   Verify the voltage supply for the CAN-Bus on fuse board A013, specifically checking fuses F040 and F041.

2. 2

   Inspect the CAN-Bus wiring between the EST Control Module (A002) and the Side Console (A004).

3. 3

   Test connections at connector X031 (on A002) and connector X033 (on A004), specifically pins 26 and 27, for continuity and ensure there is no short circuit to earth.

1. 1

   Disconnect battery

   Disconnect the tractor's battery to prevent electrical spikes.

2. 2

   Locate console

   Locate the A004 Control Console, which is typically housed in the cab on the right mudguard.

3. 3

   Remove trim panels

   Remove the necessary trim panels to access the console's mounting hardware and wiring harnesses.

4. 4

   Disconnect harness

   Disconnect the main harness (including connector X033) from the A004 unit.

5. 5

   Replace console

   Remove the faulty console and install the replacement unit.

6. 6

   Reconnect wiring and power

   Reconnect the wiring harnesses and restore battery power.

7. 7

   Program console

   Perform EOL (End of Line) programming/calibration via FENDIAS diagnostic software so the new console can properly handshake with the A002 EST Control Module on the CAN-bus.