CLAAS 76BAh – REH (A58): Lifting Control Panel or Module Fault

This fault code indicates an invalid or unexpected signal from the lifting control panel (V22) to the Electronic Power Lift Control Module (REH A58). It signifies a problem within the rear electronic lift control system, specifically pointing to a failure in either the lifting control panel, the lifting module, or the connecting circuit.

• Arion 640-510
• Arion 600C
• Axion 850-810
• Axion 800
• Axion 960

1. 1

   Restart the tractor to see if the fault clears, which may indicate a temporary communication glitch

2. 2

   Check fuses, power supply, and ground connections for the lifting module to ensure intact energy sources

3. 3

   Inspect wiring harnesses and connectors between the Lifting Control Panel (V22) and the Lifting Module (REH A58) for open circuits, short circuits, corrosion, or moisture ingress

4. 4

   Test the functionality of external lift controls on the fenders; they may continue to work even if the internal panel is faulted

5. 5

   Connect the tractor to the CLAAS Diagnostic System (CDS) for a definitive diagnosis of the module or panel

1. 1

   Perform diagnostic checks

   Perform all the diagnostic checks listed above.

2. 2

   Repair wiring or connectors

   If a wiring or connector fault is found, repair or replace the damaged section of the harness.

3. 3

   Replace Lifting Control Panel (V22)

   If the Lifting Control Panel (V22) is identified as the source of the invalid signal, it should be replaced.

4. 4

   Replace Lifting Module (REH A58)

   If the control panel and wiring are confirmed to be in good working order, the fault may lie within the Lifting Module (REH A58) itself, which would then require replacement.

5. 5

   Calibrate the system

   After replacing any components, the system may require calibration, which should be performed by a certified CLAAS service partner.