Jungheinrich Error Code 0802 [top] Jun 2026

Based on field reports, the 0802 error is frequently linked to the following issues:

| Symptom | Likely cause | First action | |---------|--------------|---------------| | 0802 appears randomly | Loose connector | Re‑seat all CAN connectors | | 0802 after rain/washing | Water ingress | Dry connectors, check for damaged seals | | 0802 with dead travel | Traction controller offline | Measure CAN termination resistance | | 0802 with no lift | Hydraulic controller offline | Check power supply to hydraulic ECU |

Display module processor failure, broken CAN wires, or corrupted parameter settings

Before calling a professional technician, you can try the following steps to identify and potentially fix the issue. 1. Perform a System Reset jungheinrich error code 0802

Never spray high-pressure water directly at the tiller head, dashboard, or electrical compartments. Moisture ingress is a primary cause of CAN-bus short circuits.

An interruption in low-voltage control power will trigger communication faults.

When the display board is intact but the code persists, check the wiring: Disconnect the truck battery for safety. Based on field reports, the 0802 error is

Here is the breakdown of the code and the recommended troubleshooting steps.

Before calling a certified field technician, fleet managers and maintenance personnel can perform several basic diagnostic checks to isolate the issue. Step 1: Perform a Hard Reset

Check if the error code changes or flickers during movement, which indicates a broken wire inside the pivot joint. Step 3: Check the Safety Bumper (Belly Switch) Press and release the safety reverse switch on the handle. Moisture ingress is a primary cause of CAN-bus

Check for dirt, dust, or physical debris wedged under the button mechanism that might prevent it from making full contact inside the housing. 2. Inspect the Tiller Boot and Wiring Harness

The tiller head contains multiple microswitches that detect the exact physical position of the arm (vertical, driving zone, or horizontal braking zone). If a switch is physically bent, contaminated with dust, or worn out, it sends an impossible combination of signals to the controller. 2. CAN-Bus Communication Failures

: Generally refers to a CAN control or communication malfunction.