Jungheinrich Error Code 0802 Jun 2026

On models equipped with specialized command setups like the Jungheinrich MultiPilot lever or a tiller head assembly, internal potentiometer tracks or Hall-effect sensors can degrade. Hardware breakdown or software corruption within the lever assembly's circuit board prevents it from handshaking over the CAN line. 3. Controller Hardware Malfunctions

Inspect the wiring harness routing down to the traction modules and the mast sensors. Check for pinched or exposed wires that might be grounding against the chassis. Step 4: Run CAN Bus Resistance Tests

A controller cannot talk on the CAN network if it has no electrical power. Open the main electrical compartment panel. jungheinrich error code 0802

When triggers, it means data packets are dropped or a critical control node has completely dropped off the network . This communication freeze causes immediate symptoms:

If you’d like, I can tailor this to a specific Jungheinrich model (E-series, ERC, etc.) and include sample diagnostic log fields and wording for a service ticket. Which model are you working with? On models equipped with specialized command setups like

) from closing. This completely isolates the power circuits. Common Causes of the Fault

Because resolving deep CAN bus errors often requires proprietary diagnostic software, consider contacting an authorized Jungheinrich Service Partner if: Open the main electrical compartment panel

Review the wiring diagram to identify the fuses assigned to the controller and CAN-bus system.

A healthy CAN-bus network with two functional parallel terminating resistors should register approximately 60 Ohms . If your meter reads 120 Ohms , one of the terminating links or module connections is wide open. A reading near 0 Ohms indicates a direct short circuit in the wiring harness.

First, park the truck in a safe area, engage the parking brake, and turn off the key switch. Wait a minute and try to restart the truck. Sometimes a simple can clear a transient communication glitch. If the error returns immediately, move on.

If your truck exhibits these symptoms, follow the systematic guide below.