Jungheinrich Error Code 0802 ^hot^ -

The contactor tips may be welded together or mechanically jammed in the "ON" position. Wiring Faults:

If resistance values are correct at the controller input pins but the error persists, the controller’s analog-to-digital converter is likely faulty.

Based on technical documentation from Jungheinrich Fault Guides and community discussions on Forkliftaction , the following components should be inspected:

: If the main contactor is worn or has poor contact, it may not pass sufficient voltage to the controller, triggering the 0802 alarm. Loose or Damaged Wiring jungheinrich error code 0802

: Generally refers to a CAN control or communication malfunction.

Unlike a soft warning (e.g., low battery), code 0802 is a . The machine will not move under its own power until the fault is resolved.

Because resolving deep CAN bus errors often requires proprietary diagnostic software, consider contacting an authorized Jungheinrich Service Partner if: The contactor tips may be welded together or

Follow this systematic guide to diagnose and resolve the error code without swapping expensive parts blindly. Jungheinrich Error Codes 2

Troubleshooting Jungheinrich Error Code 0802: A Complete Guide

(Based on standard Service Manual procedures) Loose or Damaged Wiring : Generally refers to

At this stage, a factory-trained Jungheinrich technician will need to plug in diagnostic software (JET Diagnostics) to flash the controller or install a replacement unit. To help narrow this down further, let me know:

Some error code 0802 cases are resolved simply by replacing a $20 connector. Always start with the cheapest checks first.

(No travel, no hydraulics, main contactor/K1 remains open) Commonly Rooted In

: Specialized technicians should check the interface boards for failed components like the LP 5951 3.3V regulator or its equivalents.

(e.g., EFG 215, EKS 110) of your Jungheinrich truck to provide more specific technical steps? On the Finch II, what does display error code E0802 mean?