78B7h

CLAAS 78B7h: Communication loss between TR2 (A57-2) and EXT (A62) module 2

Issue description

The TR2 (A57-2) transmission module has detected a communication loss with the external function module EXT (A62) during a CSM sequence. The differential lock was disconnected during this event.

Check the cause

  1. Connections between TR2 (A57-2) and EXT (A62) modules

  2. Cabling and wiring between TR2 (A57-2) and EXT (A62) modules

  3. Power supply to TR2 (A57-2) and EXT (A62) modules

Repair steps

  1. Inspect connections

    Check all physical connections between TR2 (A57-2) and EXT (A62) modules for looseness, damage, or corrosion.

  2. Test cabling

    Verify the integrity of the cabling between TR2 (A57-2) and EXT (A62) modules using a multimeter or continuity tester.

  3. Check power supply

    Ensure that both TR2 (A57-2) and EXT (A62) modules are receiving the correct voltage and that there are no power interruptions.

Parts you might need

(0)

    Get help to fix this fault by requesting a quote

    Browse other CLAAS codes