Jungheinrich - Error Code 0802

Based on technical documentation for Jungheinrich forklifts (particularly models like the ETV, EKS, EFG, etc.), the error code 0802 typically indicates a CAN bus (Controller Area Network) communication timeout or a receive error.

Interface Replacement: If the error persists after checking wires and parameters, you may need to replace the Interface (I2, I3, or I5) or the entire controller component. jungheinrich error code 0802

4. Step‑by‑step troubleshooting

Step 1 – Basic checks

• Turn truck OFF, wait 1 minute, restart. Does error clear temporarily?
• Check battery charge and connections (below 20% voltage can cause CAN errors).
• Visually inspect all visible wiring harnesses, especially near moving parts (mast, drive unit).

Travel direction switches, the interface (often Interface 7 Canion), or the Multipilot/Solopilot control handle. Recommended Troubleshooting Steps Turn truck OFF, wait 1 minute, restart