Error code on a Jungheinrich EJE 120 (and related models like the ERE 225) primarily indicates a Tillerhead failure related to the neutral zone . This common issue typically prevents the truck from operating travel or hydraulic functions because the tiller head sensor cannot find a valid "neutral" or zero position. Root Cause: Narrow Neutral Zone
When the primary traction controller (usually a Curtis or Jungheinrich proprietary inverter) boots up or operates, it constantly polls the inputs from the tiller head components. These include: The belly button (emergency reverse switch) The dual thumbwheel throttles (accelerator)
: Resetting the key switch temporarily clears the fault, allowing the machine to work briefly before failing again.
