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: Corroded connector pins, loose wiring in the junction box, or interference on the CAN bus line can cause signal feedback that the controller misinterprets. Troubleshooting Steps
If you are seeing "0802" flashing on your Jungheinrich’s display panel, your truck may experience reduced performance, a complete drive lockout, or intermittent shutdowns. This article provides a deep dive into what error code 0802 means, its root causes, step-by-step diagnostic procedures, and practical solutions to get your forklift back in operation.
By following the resistance measurements, visual checks, and step-by-step repair advice in this article, you can solve error 0802 quickly, minimize downtime, and avoid unnecessary service bills. Always prioritize safety and refer to your model’s specific wiring diagram. If you’re unsure at any step, a Jungheinrich technician is your best ally.
: Ensure all hydraulic levers or joysticks are in their neutral positions. Some systems trigger errors if controls are engaged during startup.
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