Based on field reports and Jungheinrich technical bulletins, here is what usually triggers this error:

The update expands the "window" in the neutral zone, making the sensor less sensitive to minor fluctuations that trigger the 4372 code. :

: Intermittent cutting out of hydraulic functions or travel. In many cases, the truck may work normally after a restart, but the fault often returns. Troubleshooting & Corrective Actions

: Check wiring and connectors between the tiller head and the main controller for any signs of wear or intermittent connection issues. Discussion: Error 4372 - Forums - Forklift Action

: Because this is often a firmware or hardware design issue, it is highly recommended to contact a Jungheinrich Service Technician to check for available campaign updates or to replace the tiller head unit. Discussion: Error 4372 - Forums - Forklift Action

Several factors can contribute to the occurrence of error code 4372 on the Jungheinrich EJE 120 top model. Some of the possible causes include: